Joey Hess
2005-Aug-28 17:38 UTC
[secure-testing-announce] [DTSA-3-1] New clamav packages fix denial of service and privilege escalation
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ----------------------------------------------------------------------------- Debian Testing Security Advisory DTSA-3-1 http://secure-testing.debian.net secure-testing-team@lists.alioth.debian.org Joey Hess August 28th, 2005 - ----------------------------------------------------------------------------- Package : clamav Vulnerability : denial of service and privilege escalation Problem-Type : remote Debian-specific: no CVE ID : CAN-2005-2070 CAN-2005-1923 CAN-2005-2056 CAN-2005-1922 CAN-2005-2450 Multiple security holes were found in clamav: CAN-2005-2070 The ClamAV Mail fILTER (clamav-milter), when used in Sendmail using long timeouts, allows remote attackers to cause a denial of service by keeping an open connection, which prevents ClamAV from reloading. CAN-2005-1923 The ENSURE_BITS macro in mszipd.c for Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a cabinet (CAB) file with the cffile_FolderOffset field set to 0xff, which causes a zero-length read. CAN-2005-2056 The Quantum archive decompressor in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (application crash) via a crafted Quantum archive. CAN-2005-1922 The MS-Expand file handling in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (file descriptor and memory consumption) via a crafted file that causes repeated errors in the cli_msexpand function. CAN-2005-2450 Multiple integer overflows in the (1) TNEF, (2) CHM, or (3) FSG file format processors in libclamav for Clam AntiVirus (ClamAV) allow remote attackers to gain privileges via a crafted e-mail message. For the testing distribution (etch) this is fixed in version 0.86.2-4etch1. For the unstable distribution (sid) this is fixed in version 0.86.2-1. This upgrade is strongly recommended if you use clamav. The Debian testing security team does not track security issues for the stable distribution (woody). If stable is vulnerable, the Debian security team will make an announcement once a fix is ready. Upgrade Instructions - -------------------- To use the Debian testing security archive, add the following lines to your /etc/apt/sources.list: deb http://secure-testing.debian.net/debian-security-updates etch-proposed-updates/security-updates main contrib non-free deb-src http://secure-testing.debian.net/debian-security-updates etch-proposed-updates/security-updates main contrib non-free The archive signing key can be downloaded from http://secure-testing.debian.net/ziyi-2005-7.asc To install the update, run this command as root: apt-get update && apt-get upgrade For further information about the Debian testing security team, please refer to http://secure-testing.debian.net/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFDEfAQ2tp5zXiKP0wRAoopAKCQBsKgnTGMsj5Oh6vHCsRNu3Mk2QCgg9W9 URubHaNdZR1MVdby/GIw8tc=KN1B -----END PGP SIGNATURE-----