Ubuntu Security Notice 1482-1 - It was discovered that ClamAV incorrectly handled certain malformed TAR archives. A remote attacker could create a specially-crafted TAR file containing malware that could escape being detected. It was discovered that ClamAV incorrectly handled certain malformed CHM files. A remote attacker could create a specially-crafted CHM file containing malware that could escape being detected. Various other issues were also addressed.
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Mandriva Linux Security Advisory 2012-094 - This is a bugfix release that upgrades clamav to the latest version The TAR file parser in ClamAV 0.96.4 allows remote attackers to bypass malware detection via a TAR archive entry with a length field that exceeds the total TAR file size. The Microsoft CHM file parser in ClamAV 0.96.4 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. The TAR file parser in ClamAV 0.96.4 allows remote attackers to bypass malware detection via a TAR archive entry with a length field corresponding to that entire entry, plus part of the header of the next entry.
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Clam AntiVirus is an anti-virus toolkit for Unix. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a commandline scanner, and a tool for automatic updating via Internet. The programs are based on a shared library distributed with the Clam AntiVirus package, which you can use in your own software.
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