CVE-2016-2232

NameCVE-2016-2232
DescriptionAsterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3 allow remote authenticated users to cause a denial of service (uninitialized pointer dereference and crash) via a zero length error correcting redundancy packet for a UDPTL FAX packet that is lost.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3700-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)bullseye1:16.28.0~dfsg-0+deb11u4fixed
bullseye (security)1:16.28.0~dfsg-0+deb11u5fixed
sid1:22.1.0~dfsg+~cs6.14.60671435-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksourcesqueeze(unfixed)end-of-life
asterisksourcejessie1:11.13.1~dfsg-2+deb8u1DSA-3700-1
asterisksource(unstable)1:13.7.2~dfsg-1

Notes

[wheezy] - asterisk <no-dsa> (Minor issue)
[squeeze] - asterisk <end-of-life> (Not supported in Squeeze LTS)
http://downloads.asterisk.org/pub/security/AST-2016-003.html
https://issues.asterisk.org/jira/browse/ASTERISK-25603
issue was introduced in 2006 with commit 0f5e4e47, so squeeze and previous also vulnerable
patch for 11 / jessie: https://code.asterisk.org/code/changelog/asterisk?cs=da2573a3779425654543d6ac4c4dd6871ce16720
all versions vulnerable, backport required for wheezy

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