-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ________________________________________________________________________ OpenPKG Security Advisory The OpenPKG Project http://www.openpkg.org/security.html http://www.openpkg.org openpkg-securityat_private openpkgat_private OpenPKG-SA-2002.011 15-Nov-2002 ________________________________________________________________________ Package: bind, bind8 Vulnerability: denial of service, arbitrary code execution OpenPKG Specific: no Dependent Packages: none Affected Releases: Affected Packages: Corrected Packages: OpenPKG 1.0 <= bind-8.2.6-1.0.1 >= bind-8.2.6-1.0.2 OpenPKG 1.1 <= bind8-8.3.3-1.1.0 >= bind8-8.3.3-1.1.1 OpenPKG CURRENT <= bind8-8.3.3-2002082 >= bind8-8.3.3-20021114 Description: The Internet Software Consortium (ISC) [1] has discovered or has been notified of several bugs which can result in vulnerabilities of varying levels of severity in BIND [2][3]. These problems include buffer overflows, stack revealing, divide by zero, null pointer dereferencing, and more [4]. A subset of these vulnerabilities exist in the BIND packages distributed by OpenPKG. Please check whether you are affected by running "<prefix>/bin/rpm -qa | grep bind". If you have an affected version of the "bind" or "bind8" package (see above), upgrade it according to the solution below. Workaround: Because disabling recursion or disabling DNSSEC is a workaround to only a subset of the aforementioned problems, it is not a recommended aproach. Solution: Since these vulnerabilities do not exist in BIND version 9.2.1, one solution simply involves upgrading to it. The packages bind-9.2.1-1.1.0 in OpenPKG 1.1 [5], and bind-9.2.1-20021111 in OpenPKG CURRENT [6] are both candidates in this respect. Be warned that although such later versions of BIND are stable, there exist large differences between BIND 8 and BIND 9 software. A lighter approach involves updating existing packages to newly patched versions of BIND 8. Select the updated source RPM appropriate for your OpenPKG release [7][8][9], and fetch it from the OpenPKG FTP service or a mirror location. Verify its integrity [10], build a corresponding binary RPM from it and update your OpenPKG installation by applying the binary RPM [11]. For the latest OpenPKG 1.1 release, perform the following operations to permanently fix the security problem (for other releases adjust accordingly). $ ftp ftp.openpkg.org ftp> bin ftp> cd release/1.1/UPD ftp> get bind8-8.3.3-1.1.1.src.rpm ftp> bye $ <prefix>/bin/rpm -v --checksig bind8-8.3.3-1.1.1.src.rpm $ <prefix>/bin/rpm --rebuild bind8-8.3.3-1.1.1.src.rpm $ su - # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/bind8-8.3.3-1.1.1.*.rpm # <prefix>/etc/rc bind8 stop start ________________________________________________________________________ References: [1] http://www.isc.org/ [2] http://www.isc.org/products/BIND/ [3] http://www.cert.org/advisories/CA-2002-31.html [4] http://www.isc.org/products/BIND/bind-security.html [5] ftp://ftp.openpkg.org/release/1.1/SRC/bind-9.2.1-1.1.0.src.rpm [6] ftp://ftp.openpkg.org/current/SRC/bind-9.2.1-20021111.src.rpm [7] ftp://ftp.openpkg.org/release/1.0/UPD/bind-8.2.6-1.0.2.src.rpm [8] ftp://ftp.openpkg.org/release/1.1/UPD/bind8-8.3.3-1.1.1.src.rpm [9] ftp://ftp.openpkg.org/current/SRC/bind8-8.3.3-20021114.src.rpm [10] http://www.openpkg.org/security.html#signature [11] http://www.openpkg.org/tutorial.html#regular-source ________________________________________________________________________ For security reasons, this advisory was digitally signed with the OpenPGP public key "OpenPKG <openpkgat_private>" (ID 63C4CB9F) of the OpenPKG project which you can find under the official URL http://www.openpkg.org/openpkg.pgp or on http://keyserver.pgp.com/. To check the integrity of this advisory, verify its digital signature by using GnuPG (http://www.gnupg.org/). For example, pipe this message to the command "gpg --verify --keyserver keyserver.pgp.com". ________________________________________________________________________ -----BEGIN PGP SIGNATURE----- Comment: OpenPKG <openpkgat_private> iEYEARECAAYFAj3VOcwACgkQgHWT4GPEy5/vEACgmA+lr37ybByyTT7Q9ZBgzJAU rvMAoOZMy6lDJryPLPg1NV+Wn21wE1qA =gSdl -----END PGP SIGNATURE-----
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