September 9, 2009

Gentoo Linux Security Advisory 200909-04 (Normal): clamav


Clam AntiVirus (short: ClamAV) is an anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways.


Multiple vulnerabilities have been found in ClamAV:

  • The vendor reported a Divide-by-zero error in the PE ("Portable Executable"; Windows .exe) file handling of ClamAV (CVE-2008-6680).
  • Jeffrey Thomas Peckham found a flaw in libclamav/untar.c, possibly resulting in an infinite loop when processing TAR archives in clamd and clamscan (CVE-2009-1270).
  • Martin Olsen reported a vulnerability in the CLI_ISCONTAINED macro in libclamav/others.h, when processing UPack archives (CVE-2009-1371).
  • Nigel disclosed a stack-based buffer overflow in the "cli_url_canon()" function in libclamav/phishcheck.c when processing URLs (CVE-2009-1372)...
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