SuSE Security Announcement: packages containing libz/zlib (SuSE-SA:2002:011) (tandem-announcement, second part)

From: Roman Drahtmueller (drahtat_private)
Date: Mon Mar 11 2002 - 12:13:42 PST

  • Next message: EnGarde Secure Linux: "[ESA-20020311-008] Double free() in zlib may lead to buffer overflow."

    -----BEGIN PGP SIGNED MESSAGE-----
    
    ______________________________________________________________________________
    
                            SuSE Security Announcement
    
            Package:                packages containing libz/zlib
            Announcement-ID:        SuSE-SA:2002:011
            Date:                   Monday, Mar 11th 2002 20:50 MET
            Affected SuSE versions: 6.4, 7.0, 7.1, 7.2, 7.3
                                    SuSE Linux Database Server
                                    SuSE eMail Server III
                                    SuSE Firewall
                                    SuSE Linux Connectivity Server
                                    SuSE Linux Enterprise Server 7
            Vulnerability Type:     possible remote command execution
            Severity (1-10):        8
            SuSE default package:   yes
            Other affected systems: systems with these packages compiled with
                                    default compile time options
    
        Content of this advisory:
            1) security vulnerability resolved: packages containing libz/zlib
               problem description, discussion, solution and upgrade information
            2) pending vulnerabilities, solutions, workarounds
            3) standard appendix (further information)
    
    ______________________________________________________________________________
    
    1)  problem description, brief discussion, solution, upgrade information
    
        This is the second announcement in the tandem-announcement about
        libz/zlib.
        SuSE Security Announcement SuSE-SA:2002:010 (libz/zlib) has been released
        prior to this announcement (SuSE-SA:2002:011). Please see SuSE-SA:2002:010
        for details on the libz weakness. The two announcements SuSE-SA:2002:010
        and SuSE-SA:2002:011 are being published in quick succession.
    
    
        The packages affected by the double-free() libz bug can be devided into
        two categories:
    
            1) packages that link dynamically against the system-provided
               compression library. These packages get fixed automatically with
               the update of the libz package as described in SuSE-SA:2002:010.
               Please note that the processes will continue to use the old
               version of the libz.so shared library if the have not been
               restarted after the libz package upgrade.
    
            2) packages that contain the compression library in their own
               source distribution. These packages need an individual bugfix.
               We have prepared update packages for this software that can be
               downloaded from the locations as shown below.
    
    
        The following is a list of the packages in category 2):
            gpg
            rsync
            cvs
            rrdtool
            freeamp
            netscape
            vnc
            kernel
    
        In detail:
            gpg:
                gpg brings its own libz/zlib source. The fixed update packages
                are available on the ftp server. The packages for SuSE Linux
                6.4 and 7.0 are located on ftp.suse.de, all other packages can
                be found on ftp.suse.com.
                The package for SuSE Linux 7.3, Intel i386 platform, is
                currently building and will be available shortly.
            rsync:
                The rsync package brings its own libz/zlib source. In addition
                to the libz/zlib fixes, the rsync package has a number of other
                security related problems fixed: The rsync daemon now properly
                initializes group memberships when it changes to another userID.
                The last security fix in the rsync packages has been corrected
                to improve the reliability of the program.
                The fixed update packages are available on the ftp server.
            cvs:
                The cvs package brings its own libz/zlib source. In addition
                to the libz/zlib fixes, the cvs packages in SuSE Linux 6.4 and
                7.0 contain a fix for a buffer overflow that may be remotely
                exploitable. Versions of the cvs packages later than 7.0 do not
                contain this flaw.
            rrdtool:
                SuSE Linux 7.2 and newer contain the package rrdtool. It brings
                its own source of the libz/zlib compression library. Fixed
                packages are available for download on the ftp server.
            freeamp:
                The freeamp package brings its own libz/zlib source. Fixed
                packages for SuSE Linux 7.1 and 7.0 are available for download.
                The update packages for the newer distributions will follow
                soon without any further announcement.
            netscape:
                New netscape binary packages are expected from netscape.com soon.
                Due to the closed source nature of the software, we depend on
                netscape to fix the package.
            vnc:
                The vnc package brings its own libz/zlib source. We will provide
                fixed packages for our supported products shortly. The
                availiability of these packages will be announced in section 2)
                of the next SuSE Security Announcement.
            kernel:
                The kernel of Linux systems is affected by the libz/zlib double-
                free() problem as well. The routines from the compression library
                are being used by functions that uncompress filesystems loaded
                into ramdisks and other non-security-critical occasions. However,
                the kernel uses the compression library in the ppp layer as well
                as in the freeswan IPSec kernel module.
                We are currently in the process of preparing update packages that
                fix numerous other problems (some of them security related) in
                both the 2.2 and the 2.4 series kernel. The availiability of these
                kernel RPM packages will be announced in a seperate SuSE Security
                Announcement soon.
    
    
        Note:
        The openssh package contains binaries that are linked dynamically against
        libz.so. The ssh package, however, links statically against its own
        version of the compression library. This version of libz/zlib is not
        vulnerable to the double-free() problem.
    
    
        Please download the update package for your distribution and verify its
        integrity by the methods listed in section 3) of this announcement.
        Then, install the package using the command "rpm -Fhv file.rpm" to apply
        the update.
        Our maintenance customers are being notified individually. The packages
        are being offered to install from the maintenance web.
    
    
        i386 Intel Platform:
    
        SuSE-7.3
        The gpg packages are currently building and will be available on the ftp
        server shortly.
        ftp://ftp.suse.com/pub/suse/i386/update/7.3/n2/rsync-2.4.6-361.i386.rpm
          d93679eb6200bc549966b03e3ef5b713
        ftp://ftp.suse.com/pub/suse/i386/update/7.3/d2/cvs-1.11-216.i386.rpm
          dfc4ef94db20ade5dec95d7ffeeea5c3
        ftp://ftp.suse.com/pub/suse/i386/update/7.3/ap3/rrdtool-1.0.33-186.i386.rpm
          3f74c8ad1a12a20b1500ba2b316a6096
        source rpm:
        ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/rsync-2.4.6-361.src.rpm
          a3159d325cd2e61ffabbb7bc29d6612d
        ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/cvs-1.11-216.src.rpm
          890df2775fa65847f294048bf002ab86
        ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/rrdtool-1.0.33-186.src.rpm
          7079579c4d60e5d9cf324f544475d6e2
    
    
        SuSE-7.2
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/sec1/gpg-1.0.6-193.i386.rpm
          18aaed31374c7d25950f9c329db2b3da
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/n2/rsync-2.4.6-362.i386.rpm
          16b2209c444bfe197b90b53913bea10f
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/d2/cvs-1.11-216.i386.rpm
          82b197d54348aaa266a30870fa9c7333
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/ap3/rrdtool-1.0.33-186.i386.rpm
          85c086395eb5092468b9c368214d0f55
        source rpm:
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/gpg-1.0.6-193.src.rpm
          69313e9586549babb354348aeca613e4
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/rsync-2.4.6-362.src.rpm
          4289b7727bd48da50948d228699f27bc
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/cvs-1.11-216.src.rpm
          a4ddfb02d6c1ef9340ad05019eebb725
        ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/rrdtool-1.0.33-186.src.rpm
          ca694bf598759e07d58d15750f436827
    
    
        SuSE-7.1
        ftp://ftp.suse.com/pub/suse/i386/update/7.1/sec1/gpg-1.0.6-192.i386.rpm
          b4d7d22864a78d36b61bf6151861acc7
        ftp://ftp.suse.com/pub/suse/i386/update/7.1/n2/rsync-2.4.6-361.i386.rpm
          f9bb2a436ab97972d32fd998909ed289
        ftp://ftp.suse.com/pub/suse/i386/update/7.1/d2/cvs-1.11-216.i386.rpm
          2b4c10d95d29e02c2ffc1ed89872d5d3
        source rpm:
        ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/gpg-1.0.6-192.src.rpm
          3648286b5847f2203a6debca039bfe09
        ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/rsync-2.4.6-361.src.rpm
          56fc72c1c1e2780ab50944ac65148af3
        ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/cvs-1.11-216.src.rpm
          c2fe82d14f8d98e33da59440872e1abf
    
    
        SuSE-7.0
        ftp://ftp.suse.de/pub/suse/i386/update/7.0/sec1/gpg-1.0.6-192.i386.rpm
          1030cfbfaa661692f40c8779bcfe7ebe
        ftp://ftp.suse.com/pub/suse/i386/update/7.0/n1/rsync-2.3.2-130.i386.rpm
          889cbb6f76b3eb0777894c25558a5ccf
        ftp://ftp.suse.com/pub/suse/i386/update/7.0/d1/cvs-1.10.7-160.i386.rpm
          6376028606f9e9fd5093fd3557ebceb1
        source rpm:
        ftp://ftp.suse.de/pub/suse/i386/update/7.0/zq1/gpg-1.0.6-192.src.rpm
          c685b31952d90d701a96feaad51b50a6
        ftp://ftp.suse.com/pub/suse/i386/update/7.0/zq1/rsync-2.3.2-130.src.rpm
          6689e22925836a854b955f68306c57ae
        ftp://ftp.suse.com/pub/suse/i386/update/7.0/zq1/cvs-1.10.7-160.src.rpm
          b5864834aa05ba53873b5810af8c11fe
    
    
        SuSE-6.4
        ftp://ftp.suse.de/pub/suse/i386/update/6.4/sec1/gpg-1.0.6-191.i386.rpm
          73e1bd61d721a40dc72845bcd540572a
        ftp://ftp.suse.com/pub/suse/i386/update/6.4/n1/rsync-2.3.2-130.i386.rpm
          16746c5c506f743120f947d422432376
        ftp://ftp.suse.com/pub/suse/i386/update/6.4/d1/cvs-1.10.7-159.i386.rpm
          d31b782a1d85795862acae8f0c89baf0
        source rpm:
        ftp://ftp.suse.de/pub/suse/i386/update/6.4/zq1/gpg-1.0.6-191.src.rpm
          6b39ca4bb7297ad71d10fd79558480b7
        ftp://ftp.suse.com/pub/suse/i386/update/6.4/zq1/rsync-2.3.2-130.src.rpm
          5c23fc8d7c51ba8b2f9e255f65f8e612
        ftp://ftp.suse.com/pub/suse/i386/update/6.4/zq1/cvs-1.10.7-159.src.rpm
          554ca35e9f536d82e042aebe847df28e
    
    
    
        Sparc Platform:
    
        SuSE-7.3
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/sec1/gpg-1.0.6-67.sparc.rpm
          7bc6e19142f339667b40d4c6bbcda871
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n2/rsync-2.4.6-149.sparc.rpm
          f0f4339f9bb20fa27be5710c1491dbf8
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/d2/cvs-1.11-98.sparc.rpm
          79ffbab2594865c3ce52de7227e3e501
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/ap3/rrdtool-1.0.33-49.sparc.rpm
          2fae8f0fa23735fbe99c1d4d48d278c3
        source rpm:
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/gpg-1.0.6-67.src.rpm
          f78fa7647eed1fddfb3131254cbec4a9
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/rsync-2.4.6-149.src.rpm
          3eb6724d9327254325870e23d5ee76c5
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/cvs-1.11-98.src.rpm
          6ee4505a182e7684c60607451ef019fb
        ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/rrdtool-1.0.33-49.src.rpm
          c4a683e01dfe459f5342ddc4fc6865bd
    
        SuSE-7.1
        ftp://ftp.suse.com/pub/suse/sparc/update/7.1/sec1/gpg-1.0.6-67.sparc.rpm
          b42f276176ed6a3d42e6471168e5dc15
        ftp://ftp.suse.com/pub/suse/sparc/update/7.1/n2/rsync-2.4.6-149.sparc.rpm
          d3d47231dffdbf303031c0395b7cf6e3
        ftp://ftp.suse.com/pub/suse/sparc/update/7.1/d2/cvs-1.11-98.sparc.rpm
          8a305786bbfee100b6c261e8b3a0be8f
        source rpm:
        ftp://ftp.suse.com/pub/suse/sparc/update/7.1/zq1/gpg-1.0.6-67.src.rpm
          59b434ba4d31264a55f602d3b66fa0f0
        ftp://ftp.suse.com/pub/suse/sparc/update/7.1/zq1/rsync-2.4.6-149.src.rpm
          49f929cbe50425512d29948e26220089
        ftp://ftp.suse.com/pub/suse/sparc/update/7.1/zq1/cvs-1.11-98.src.rpm
          c4eaa2c573904ffd6ffaf3db2efebcfe
    
        SuSE-7.0
        ftp://ftp.suse.de/pub/suse/sparc/update/7.0/sec1/gpg-1.0.6-67.sparc.rpm
          286642b0d5c7491c47c5570bad05a391
        ftp://ftp.suse.com/pub/suse/sparc/update/7.0/n1/rsync-2.3.2-8.sparc.rpm
          030c775ec89eb227b2d34a80c993f2dc
        ftp://ftp.suse.com/pub/suse/sparc/update/7.0/d1/cvs-1.10.7-4.sparc.rpm
          f0a734e3996bbb7a740c4bbb8d620218
        source rpm:
        ftp://ftp.suse.de/pub/suse/sparc/update/7.0/zq1/gpg-1.0.6-67.src.rpm
          14d52437ea98dfc47b7e5266aa7c675d
        ftp://ftp.suse.com/pub/suse/sparc/update/7.0/zq1/rsync-2.3.2-8.src.rpm
          a42e3a8ad3852b58c80f3f25bd4a7873
        ftp://ftp.suse.com/pub/suse/sparc/update/7.0/zq1/cvs-1.10.7-4.src.rpm
          c200f16ee87e6a559297795877260990
    
    
    
    
        AXP Alpha Platform:
    
        SuSE-7.1
        ftp://ftp.suse.com/pub/suse/axp/update/7.1/sec1/gpg-1.0.6-91.alpha.rpm
          d2b3f32faad4930aebd83448f8cfe52e
        ftp://ftp.suse.com/pub/suse/axp/update/7.1/n2/rsync-2.4.6-160.alpha.rpm
          75a09942d7abbb5faee6c57d25075ec2
        ftp://ftp.suse.com/pub/suse/axp/update/7.1/d2/cvs-1.11-101.alpha.rpm
          90ebabcec70121d6b4e578ed47e10475
        source rpm:
        ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/gpg-1.0.6-91.src.rpm
          d37f206d6627367af4173f16601f5f19
        ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/rsync-2.4.6-160.src.rpm
          df8ab3b91f26d67484f773dec6227e80
        ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/cvs-1.11-101.src.rpm
          348ec5ea873749a7de17efae7d32c6af
    
        SuSE-7.0
        ftp://ftp.suse.de/pub/suse/axp/update/7.0/sec1/gpg-1.0.6-91.alpha.rpm
          385bbe68eab422ba8c06d6182acf3df0
        ftp://ftp.suse.com/pub/suse/axp/update/7.0/n1/rsync-2.3.2-35.alpha.rpm
          b0fd243d894fcdc354f092d7c171f776
        ftp://ftp.suse.com/pub/suse/axp/update/7.0/d1/cvs-1.10.7-69.alpha.rpm
          d5471a53f6f2b93cceb8e7ad8a2bde39
        source rpm:
        ftp://ftp.suse.de/pub/suse/axp/update/7.0/zq1/gpg-1.0.6-91.src.rpm
          d2db252aeb9a231fe2ea9d42a1b40472
        ftp://ftp.suse.com/pub/suse/axp/update/7.0/zq1/rsync-2.3.2-35.src.rpm
          634bc1087e905ed1889400a82306957c
        ftp://ftp.suse.com/pub/suse/axp/update/7.0/zq1/cvs-1.10.7-69.src.rpm
          f5eda7e32648f0631772da3247f70245
    
        SuSE-6.4
        ftp://ftp.suse.de/pub/suse/axp/update/6.4/sec1/gpg-1.0.6-91.alpha.rpm
          c1b82fda096a50de75f5d5b4851dd2b9
        ftp://ftp.suse.com/pub/suse/axp/update/6.4/n1/rsync-2.3.2-36.alpha.rpm
          567602c9a262398599d401db44469660
        ftp://ftp.suse.com/pub/suse/axp/update/6.4/d1/cvs-1.10.7-69.alpha.rpm
          56a7b8a0c5a122ddc5796a4445b4db71
        source rpm:
        ftp://ftp.suse.de/pub/suse/axp/update/6.4/zq1/gpg-1.0.6-91.src.rpm
          28f3d6398d8cc232bf96247ca0cb895d
        ftp://ftp.suse.com/pub/suse/axp/update/6.4/zq1/rsync-2.3.2-36.src.rpm
          681e675e376481201e6d2be524eafbd7
        ftp://ftp.suse.com/pub/suse/axp/update/6.4/zq1/cvs-1.10.7-69.src.rpm
          65aca598906f07fe8ac6633c80ec0804
    
    
    
    
        PPC Power PC Platform:
    
        SuSE-7.3
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/sec1/gpg-1.0.6-139.ppc.rpm
          06986ca3c85c9211dd16bb7eb2142867
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n2/rsync-2.4.6-212.ppc.rpm
          b40a7114913eaffe54674a102ca92237
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/d2/cvs-1.11-104.ppc.rpm
          ff7d174babb5d1213e8f90930243ce9c
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/ap3/rrdtool-1.0.33-124.ppc.rpm
          1edd2d5d460a897d5ce563b8739a3deb
        source rpm:
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/gpg-1.0.6-139.src.rpm
          449dc67ed777e1587bf112f3a38459dc
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/rsync-2.4.6-212.src.rpm
          586e78e122109e482d58dcdd87e13dee
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/cvs-1.11-104.src.rpm
          a67270b4c932b5f83e593549c22b06a7
        ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/rrdtool-1.0.33-124.src.rpm
          aa1dbd6e3ca7464508dce8cbe8c3904f
    
        SuSE-7.1
        ftp://ftp.suse.com/pub/suse/ppc/update/7.1/sec1/gpg-1.0.6-139.ppc.rpm
          2cd31ab33813c5747eb23a9f8c157d17
        ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n2/rsync-2.4.6-212.ppc.rpm
          a198784c826e61e1ad94c669a17ac9fa
        ftp://ftp.suse.com/pub/suse/ppc/update/7.1/d2/cvs-1.11-104.ppc.rpm
          4d45a8606df41ba3d16f5543e6b89865
        source rpm:
        ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/gpg-1.0.6-139.src.rpm
          56ee6bc10a0a33bf6dad112c6462517a
        ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/rsync-2.4.6-212.src.rpm
          e0952c2fade289e49e20b7d3d7063631
        ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/cvs-1.11-104.src.rpm
          96a0520c693523de8eafb8c37abf16ba
    
        SuSE-7.0
        ftp://ftp.suse.de/pub/suse/ppc/update/7.0/sec1/gpg-1.0.6-139.ppc.rpm
          cee90f407dbabf66c9b9da119ad0e308
        ftp://ftp.suse.com/pub/suse/ppc/update/7.0/n1/rsync-2.3.2-137.ppc.rpm
          edbbab80c23963791d5385155ce2511f
        ftp://ftp.suse.com/pub/suse/ppc/update/7.0/d1/cvs-1.10.7-170.ppc.rpm
          bd4195c9a078bfa0225719586140ea09
        source rpm:
        ftp://ftp.suse.de/pub/suse/ppc/update/7.0/zq1/gpg-1.0.6-139.src.rpm
          81f4af6730c4ad92b31de1df69f0e535
        ftp://ftp.suse.com/pub/suse/ppc/update/7.0/zq1/rsync-2.3.2-137.src.rpm
          2d28b8a51463ff19f9c4b83aa4df4f51
        ftp://ftp.suse.com/pub/suse/ppc/update/7.0/zq1/cvs-1.10.7-170.src.rpm
          d944cd23c532c18191d90bd752de5a1f
    
        SuSE-6.4
        ftp://ftp.suse.de/pub/suse/ppc/update/6.4/sec1/gpg-1.0.6-138.ppc.rpm
          27e1aaa319bf35722a63fa73c2c4a543
        ftp://ftp.suse.com/pub/suse/ppc/update/6.4/n1/rsync-2.3.2-137.ppc.rpm
          94d0512db52f89f79171c7648255e32d
        ftp://ftp.suse.com/pub/suse/ppc/update/6.4/d1/cvs-1.10.7-169.ppc.rpm
          f5f9a3a3c2ed93776bbdb747217d3f65
        source rpm:
        ftp://ftp.suse.de/pub/suse/ppc/update/6.4/zq1/gpg-1.0.6-138.src.rpm
          45dd7ac7bba9e3bf0cc41a4f20d11ed8
        ftp://ftp.suse.com/pub/suse/ppc/update/6.4/zq1/rsync-2.3.2-137.src.rpm
          993c4e7eb632a43be85a9e17369792cf
        ftp://ftp.suse.com/pub/suse/ppc/update/6.4/zq1/cvs-1.10.7-169.src.rpm
          867ed44e362dd6fdfb2d0eec249190d6
    
    
    
    ______________________________________________________________________________
    
    2)  Pending vulnerabilities in SuSE Distributions and Workarounds:
    
      - The freeamp packages for the newer products will be available
        shortly.
        The gpg package for the Intel i386 platform, distribution SuSE Linux 7.3,
        will be available shortly.
        Update packages for the packages vnc, netscape and the kernel will follow
        later this week. Please carefully read the section 2) in the upcoming
        SuSE Security Announcements.
    
    ______________________________________________________________________________
    
    3)  standard appendix: authenticity verification, additional information
    
      - Package authenticity verification:
    
        SuSE update packages are available on many mirror ftp servers all over
        the world. While this service is being considered valuable and important
        to the free and open source software community, many users wish to be
        sure about the origin of the package and its content before installing
        the package. There are two verification methods that can be used
        independently from each other to prove the authenticity of a downloaded
        file or rpm package:
        1) md5sums as provided in the (cryptographically signed) announcement.
        2) using the internal gpg signatures of the rpm package.
    
        1) execute the command
            md5sum <name-of-the-file.rpm>
           after you downloaded the file from a SuSE ftp server or its mirrors.
           Then, compare the resulting md5sum with the one that is listed in the
           announcement. Since the announcement containing the checksums is
           cryptographically signed (usually using the key securityat_private),
           the checksums show proof of the authenticity of the package.
           We disrecommend to subscribe to security lists which cause the
           email message containing the announcement to be modified so that
           the signature does not match after transport through the mailing
           list software.
           Downsides: You must be able to verify the authenticity of the
           announcement in the first place. If RPM packages are being rebuilt
           and a new version of a package is published on the ftp server, all
           md5 sums for the files are useless.
    
        2) rpm package signatures provide an easy way to verify the authenticity
           of an rpm package. Use the command
            rpm -v --checksig <file.rpm>
           to verify the signature of the package, where <file.rpm> is the
           filename of the rpm package that you have downloaded. Of course,
           package authenticity verification can only target an uninstalled rpm
           package file.
           Prerequisites:
            a) gpg is installed
            b) The package is signed using a certain key. The public part of this
               key must be installed by the gpg program in the directory
               ~/.gnupg/ under the user's home directory who performs the
               signature verification (usually root). You can import the key
               that is used by SuSE in rpm packages for SuSE Linux by saving
               this announcement to a file ("announcement.txt") and
               running the command (do "su -" to be root):
                gpg --batch; gpg < announcement.txt | gpg --import
               SuSE Linux distributions version 7.1 and thereafter install the
               key "buildat_private" upon installation or upgrade, provided that
               the package gpg is installed. The file containing the public key
               is placed at the toplevel directory of the first CD (pubring.gpg)
               and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de .
    
    
      - SuSE runs two security mailing lists to which any interested party may
        subscribe:
    
        suse-securityat_private
            -   general/linux/SuSE security discussion.
                All SuSE security announcements are sent to this list.
                To subscribe, send an email to
                    <suse-security-subscribeat_private>.
    
        suse-security-announceat_private
            -   SuSE's announce-only mailing list.
                Only SuSE's security annoucements are sent to this list.
                To subscribe, send an email to
                    <suse-security-announce-subscribeat_private>.
    
        For general information or the frequently asked questions (faq)
        send mail to:
            <suse-security-infoat_private> or
            <suse-security-faqat_private> respectively.
    
        =====================================================================
        SuSE's security contact is <securityat_private> or <securityat_private>.
        The <securityat_private> public key is listed below.
        =====================================================================
    ______________________________________________________________________________
    
        The information in this advisory may be distributed or reproduced,
        provided that the advisory is not modified in any way. In particular,
        it is desired that the cleartext signature shows proof of the
        authenticity of the text.
        SuSE GmbH makes no warranties of any kind whatsoever with respect
        to the information contained in this security advisory.
    
    Type Bits/KeyID    Date       User ID
    pub  2048R/3D25D3D9 1999-03-06 SuSE Security Team <securityat_private>
    pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <buildat_private>
    
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    Roman Drahtmüller,
    SuSE Security.
    - --
     -                                                                      -
    | Roman Drahtmüller      <drahtat_private> // "You don't need eyes to see, |
      SuSE GmbH - Security           Phone: //             you need vision!"
    | Nürnberg, Germany     +49-911-740530 //           Maxi Jazz, Faithless |
     -                                                                      -
    
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