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| LinuxSecurity.com Weekly Newsletter |
| December 3rd, 2004 Volume 5, Number 48a |
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Editors: Dave Wreski Benjamin D. Thomas
dave@private ben@private
Linux Advisory Watch is a comprehensive newsletter that outlines the
security vulnerabilities that have been announced throughout the
week. It includes pointers to updated packages and descriptions of
each vulnerability.
This week advisories were released for java, abiworld, cyrus,
squirrelmail, libgd1, openssl, hpsockd, policycoreutils, prelink,
libselinux, udev, tcpdump, samba, gaim, FreeBSD kernel, phpMyAdmin,
libxpm4, kde, amavisd, open motif, linux kernel, and cyrus-imapd.
The distributors include Conectiva, Debian, Fedora, Gentoo, Mandrake,
Trustix, Red Hat, and SuSE.
-----
Open Letter to Linux Security Community
Welcome to the new LinuxSecurity.com! I must admit, I am really
proud of what we have been able to accomplish over the years.
LinuxSecurity.com has grown from a small idea that a couple of
security geeks had in 1999, to a major and well respected Linux
resource. With an all new look & feel, organizational changes,
security events, and additions to our staff, we hope to better
serve the Linux and open source community. Although there are
many aesthetic improvements, a major part of our development
has focused on creating a content structure and backend
system that is easy to update.
Since the beginning, we have been able to maintain one of the
largest, if not the largest and most comprehensive Linux
advisory archive on the Internet. Through the years, we have
scoured the net for thousands of hours to bring fresh and
relevant articles, papers, and resources to you. It wasn't easy
in the beginning. We had to create the site from scratch and
build a community-wide reputation. The site was started in 1999,
the middle of the dot-com boom. Dave Wreski, a Linux security
expert and the original founder of LinuxSecurity.com had great
foresight. He envisioned the widespread use of Linux as well as
many other open source tools. Rather than companies spending
thousands of dollars on proprietary tools, he saw a world
where open source would be respected and adopted because of its
flexibility and greater security through open standards and
full disclosure...
Read Full Text:
http://www.linuxsecurity.com/content/view/117288/49/
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Mass deploying Osiris
Osiris is a centralized file-integrity program that uses a
client/server architecture to check for changes on a system.
A central server maintains the file-integrity database and
configuration for a client and at a specified time, sends the
configuration file over to the client, runs a scan and sends
the results back to the server to compare any changes. Those
changes are then sent via email, if configured, to a system
admin or group of people. The communication is all done over
an encrypted communication channel.
http://www.linuxsecurity.com/content/view/101883/49/
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AIDE and CHKROOTKIT
Network security is continuing to be a big problem for companies
and home users. The problem can be resolved with an accurate security
analysis. In this article I show how to approach security using aide
and chkrootkit.
http://www.linuxsecurity.com/content/view/101882/49/
------
--> Take advantage of the LinuxSecurity.com Quick Reference Card!
--> http://www.linuxsecurity.com/docs/QuickRefCard.pdf
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| Distribution: Conectiva | ----------------------------//
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* Conectiva: java plugin vulnerability
26th, November, 2004
Jouko Pynnonen reported[2], through iDEFENSE, a vulnerability[3] in
the plugin mechanism which allows remote attackers to bypass the Java
sandbox through the use of javascript.
http://www.linuxsecurity.com/content/view/106930
* Conectiva: abiword buffer overflow vulnerability fix
1st, December, 2004
iDefense[3] discovered[4] a buffer overflow vulnerability[5] in the
wv library which could allow an attacker to execute arbitrary code
with the privileges of the user running the vulnerable application.
http://www.linuxsecurity.com/content/view/117319
* Conectiva: cyrus-imapd Multiple vulnerabilities
1st, December, 2004
Stefan Esser from e-matters security recently published[2] several
vulnerabilities in cyrus-imapd.
http://www.linuxsecurity.com/content/view/117320
* Conectiva: squirrelmail cross site scripting vulnerability fix
2nd, December, 2004
Joost Pol noticed[2] that SquirrelMail is prone to a cross site
scripting issue in the decoding of encoded text in certain headers.
SquirrelMail correctly decodes the specially crafted header, but
doesn't sanitize the result.
http://www.linuxsecurity.com/content/view/117321
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| Distribution: Debian | ----------------------------//
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* Debian: libgd1 arbitrary code execution fix
29th, November, 2004
More potential integer overflows have been found in the GD graphics
library which weren't covered by our security advisory DSA 589. They
could be exploited by a specially crafted graphic and could lead to
the execution of arbitrary code on the victim's machine.
http://www.linuxsecurity.com/content/view/106931
* Debian: libgd2 arbitrary code execution fix
29th, November, 2004
More potential integer overflows have been found in the GD graphics
library which weren't covered by our security advisory DSA 589. They
could be exploited by a specially crafted graphic and could lead to
the execution of arbitrary code on the victim's machine.
http://www.linuxsecurity.com/content/view/106932
* Debian: openssl insecure temporary file creation fix
1st, December, 2004
Trustix developers discovered insecure temporary file creation in a
supplemental script (der_chop) of the openssl package which may allow
local users to overwrite files via a symlink attack.
http://www.linuxsecurity.com/content/view/117312
* Debian: hpsockd denial of service fix
3rd, December, 2004
"infamous41md" discovered a buffer overflow condition in hpsockd, the
socks server written at Hewlett-Packard. An exploit could cause the
program to crash or may have worse effect.
http://www.linuxsecurity.com/content/view/117313
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| Distribution: Fedora | ----------------------------//
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* Fedora: policycoreutils-1.18.1-2 update Resend with correct id
30th, November, 2004
FixFiles.cron is not needed for targeted policy and needs to be
reworked for strict policy. Removing prevents possible relabeling
problems.
http://www.linuxsecurity.com/content/view/106953
* Fedora: policycoreutils-1.18.1-2 update
30th, November, 2004
FixFiles.cron is not needed for targeted policy and needs to be
reworked for strict policy. Removing prevents possible relabeling
problems.
http://www.linuxsecurity.com/content/view/106952
* Fedora: prelink-0.3.3-0.fc3 update
30th, November, 2004
if layout code needs to re-prelink some library, make sure all
libraries that depend on it are re-prelinked too (#140081)
http://www.linuxsecurity.com/content/view/106950
* Fedora: libselinux-1.19.1-8 update
30th, November, 2004
Change location of helper applications and remove some debug
applications that should not have been part of the distribution.
http://www.linuxsecurity.com/content/view/106951
* Fedora: udev-039-10.FC3.2 update
30th, November, 2004
Forgot to turn of debugging logging. This release speeds up udev.
http://www.linuxsecurity.com/content/view/106948
* Fedora: tcpdump-3.8.2-6.FC2.1 update
30th, November, 2004
fixed nfs protocol parsing for 64 bit architectures (bug 132781)
http://www.linuxsecurity.com/content/view/106949
* Fedora: abiword-2.0.12-7.fc3 update
30th, November, 2004
Fixes for tempnam usages and startup geometry crashes
http://www.linuxsecurity.com/content/view/106947
* Fedora: system-config-securitylevel-1.4.18-2 update
29th, November, 2004
This fixes tracebacks introduced by the libselinux update (#139155)
http://www.linuxsecurity.com/content/view/106944
* Fedora: samba-3.0.9-1.fc2 update
29th, November, 2004
This update closes two security holes: CAN-2004-0882 and
CAN-2004-0930
http://www.linuxsecurity.com/content/view/106941
* Fedora: samba-3.0.9-1.fc3 update
29th, November, 2004
This update closes two security holes: CAN-2004-0882 and
CAN-2004-0930.
http://www.linuxsecurity.com/content/view/106942
* Fedora: gaim-1.0.2-0.FC2 update
29th, November, 2004
FC2 Update
http://www.linuxsecurity.com/content/view/106943
* Fedora: squirrelmail-1.4.3a-6.FC2 update
28th, November, 2004
CAN-2004-1036 Cross Site Scripting in encoded text
http://www.linuxsecurity.com/content/view/106934
* Fedora: squirrelmail-1.4.3a-6.FC3 update
28th, November, 2004
CAN-2004-1036 Cross Site Scripting in encoded text
http://www.linuxsecurity.com/content/view/106935
* Fedora: spamassassin-3.0.1-0.FC3 update
28th, November, 2004
Several important bug fixes in upstream release.
http://www.linuxsecurity.com/content/view/106936
* Fedora: system-config-date-1.7.13-0.fc3.1 update
29th, November, 2004
enable Gujarati and Tamil translations (#140881)
http://www.linuxsecurity.com/content/view/106937
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| Distribution: FreeBSD | ----------------------------//
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* FreeBSD: Kernel memory disclosure in procfs and linprocfs
2nd, December, 2004
The implementation of the /proc/curproc/cmdline pseudofile in the
procfs(5) file system on FreeBSD 4.x and 5.x, and of the
/proc/self/cmdline pseudofile in the linprocfs(5) file system on
FreeBSD 5.x reads a process' argument vector from the process address
space. During this operation, a pointer was dereferenced directly
without the necessary validation steps being performed.
http://www.linuxsecurity.com/content/view/117318
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| Distribution: Gentoo | ----------------------------//
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* Gentoo: Sun and Blackdown Java Applet privilege escalation
29th, November, 2004
The Java plug-in security in Sun and Blackdown Java environments can
be bypassed to access arbitrary packages, allowing untrusted Java
applets to perform unrestricted actions on the host system.
http://www.linuxsecurity.com/content/view/106945
* Gentoo: Open DC Hub Remote code execution
28th, November, 2004
Open DC Hub contains a buffer overflow that can be exploited to allow
remote code execution.
http://www.linuxsecurity.com/content/view/106940
* Gentoo: phpWebSite HTTP response splitting vulnerability
26th, November, 2004
phpWebSite is vulnerable to possible HTTP response splitting attacks.
http://www.linuxsecurity.com/content/view/106929
* Gentoo: phpMyAdmin Multiple XSS vulnerabilities
27th, November, 2004
phpMyAdmin is vulnerable to cross-site scripting attacks.
http://www.linuxsecurity.com/content/view/106939
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| Distribution: Mandrake | ----------------------------//
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* Mandrake: libxpm4 correct issues with previous update
30th, November, 2004
The previous libxpm4 update had a linking error that resulted in a
missing s_popen symbol error running applications dependant on the
library. In addition, the file path checking in the security updates
prevented some applications, like gimp-2.0 from being able to save
xpm format images.
http://www.linuxsecurity.com/content/view/106946
* Mandrake: kdepim various bugs fix
27th, November, 2004
A number of bugs in kdepim are fixed with this update.
http://www.linuxsecurity.com/content/view/106938
* Mandrake: kdelibs various bugs fix
26th, November, 2004
A number of bugs in kdelibs are fixed with this update.
http://www.linuxsecurity.com/content/view/106925
* Mandrake: kdebase various bugs fixes
26th, November, 2004
A number of bugs in kdebase are fixed with this update.
http://www.linuxsecurity.com/content/view/106924
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| Distribution: Trustix | ----------------------------//
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* Trustix: amavisd-new, anaconda, courier-imap, cyrus-imapd,
cyrus-sasl, file, kernel, mkbootdisk, mys
29th, November, 2004
Fix amavis user creation on install. Support kickstart files on FTP.
Hyperthreading detection.
http://www.linuxsecurity.com/content/view/106933
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| Distribution: Red Hat | ----------------------------//
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* Red Hat: openmotif image vulnerability fix
2nd, December, 2004
Updated openmotif packages that fix flaws in the Xpm image library
are now available.
http://www.linuxsecurity.com/content/view/117314
* Red Hat: kernel security vulnerabilities fix
2nd, December, 2004
Updated kernel packages that fix several security issues in Red Hat
Enterprise Linux 3 are now available.
http://www.linuxsecurity.com/content/view/117315
* SuSE: various kernel problems
1st, December, 2004
Several security problems have been found and addressed by the SUSE
Security Team. The following issues are present in all SUSE Linux
based products.
http://www.linuxsecurity.com/content/view/117316
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| Distribution: SuSE | ----------------------------//
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* SuSE: cyrus-imapd remote command execution
3rd, December, 2004
Stefan Esser reported various bugs within the Cyrus IMAP Server.
These include buffer overflows and out-of-bounds memory access which
could allow remote attackers to execute arbitrary commands as root.
The bugs occur in the pre-authentication phase, therefore an update
is strongly recommended.
http://www.linuxsecurity.com/content/view/117317
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