The parsing engine in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to bypass scanning via a RAR file with a header flag value of 10, which can be processed by WinRAR.

References

• https://nvd.nist.gov/vuln/detail/CVE-2007-3122
• https://exchange.xforce.ibmcloud.com/vulnerabilities/34823
• https://wwws.clamav.net/bugzilla/show_bug.cgi?id=511
• http://kolab.org/security/kolab-vendor-notice-15.txt
• http://lurker.clamav.net/message/20070530.224918.5c64abc4.en.html
• http://osvdb.org/45392
• http://secunia.com/advisories/25523
• http://secunia.com/advisories/25525
• http://secunia.com/advisories/25688
• http://secunia.com/advisories/25796
• http://security.gentoo.org/glsa/glsa-200706-05.xml
• http://svn.clamav.net/svn/clamav-devel/trunk/ChangeLog
• http://www.debian.org/security/2007/dsa-1320
• http://www.novell.com/linux/security/advisories/2007_33_clamav.html