GLSA-200606-15 : Asterisk: IAX2 video frame buffer overflow
High Nessus Plugin ID 21708
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-200606-15 (Asterisk: IAX2 video frame buffer overflow)
Asterisk fails to properly check the length of truncated video frames in the IAX2 channel driver which results in a buffer overflow.
An attacker could exploit this vulnerability by sending a specially crafted IAX2 video stream resulting in the execution of arbitrary code with the permissions of the user running Asterisk.
Disable public IAX2 support.
SolutionAll Asterisk users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/asterisk-1.0.11_p1'