| Name | CVE-2016-2232 |
| Description | Asterisk 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3700-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| asterisk (PTS) | buster | 1:16.2.1~dfsg-1+deb10u2 | fixed |
| buster (security) | 1:16.28.0~dfsg-0+deb10u4 | fixed |
| bullseye | 1:16.28.0~dfsg-0+deb11u3 | fixed |
| bullseye (security) | 1:16.28.0~dfsg-0+deb11u4 | fixed |
| sid | 1:20.6.0~dfsg+~cs6.13.40431414-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| asterisk | source | squeeze | (unfixed) | end-of-life | | |
| asterisk | source | jessie | 1:11.13.1~dfsg-2+deb8u1 | | DSA-3700-1 | |
| asterisk | source | (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