GLSA-200809-18 : ClamAV: Multiple Denials of Service
Critical Nessus Plugin ID 34299
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-200809-18 (ClamAV: Multiple Denials of Service)
Hanno boeck reported an error in libclamav/chmunpack.c when processing CHM files (CVE-2008-1389). Other unspecified vulnerabilities were also reported, including a NULL pointer dereference in libclamav (CVE-2008-3912), memory leaks in freshclam/manager.c (CVE-2008-3913), and file descriptor leaks in libclamav/others.c and libclamav/sis.c (CVE-2008-3914).
A remote attacker could entice a user or automated system to scan a specially crafted CHM, possibly resulting in a Denial of Service (daemon crash). The other attack vectors mentioned above could also result in a Denial of Service.
There is no known workaround at this time.
SolutionAll ClamAV users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-antivirus/clamav-0.94'