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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200606-15] Asterisk: IAX2 video frame buffer overflow

Vulnerability Assessment Details

[GLSA-200606-15] Asterisk: IAX2 video frame buffer overflow

Vulnerability Assessment Summary
Asterisk: IAX2 video frame buffer overflow

Detailed Explanation for this Vulnerability Assessment
The 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.

Impact

A possible hacker 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.

Workaround

Disable public IAX2 support.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2898
http://www.coresecurity.com/common/showdoc.php?idx=547&idxseccion=10

Solution:
All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.0.11_p1"

Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

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