| Name | CVE-2017-16672 |
| Description | An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. A memory leak occurs when an Asterisk pjsip session object is created and that call gets rejected before the session itself is fully established. When this happens the session object never gets destroyed. Eventually Asterisk can run out of memory and crash. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 881256 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| asterisk (PTS) | jessie, jessie (lts) | 1:11.13.1~dfsg-2+deb8u8 | fixed |
| stretch (security) | 1:13.14.1~dfsg-2+deb9u6 | fixed |
| stretch (lts), stretch | 1:13.14.1~dfsg-2+deb9u10 | fixed |
| buster, buster (lts) | 1:16.28.0~dfsg-0+deb10u5 | fixed |
| buster (security) | 1:16.28.0~dfsg-0+deb10u4 | fixed |
| bullseye | 1:16.28.0~dfsg-0+deb11u4 | fixed |
| bullseye (security) | 1:16.28.0~dfsg-0+deb11u5 | fixed |
| sid | 1:22.0.0~dfsg+~cs6.14.60671435-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| asterisk | source | wheezy | (not affected) | | | |
| asterisk | source | jessie | (not affected) | | | |
| asterisk | source | stretch | 1:13.14.1~dfsg-2+deb9u3 | | | |
| asterisk | source | (unstable) | 1:13.18.1~dfsg-1 | | | 881256 |
Notes
[jessie] - asterisk <not-affected> (Vulnerable code not present)
[wheezy] - asterisk <not-affected> (Vulnerable code not present)
http://downloads.digium.com/pub/security/AST-2017-011.html
http://downloads.asterisk.org/pub/security/AST-2017-011-13.diff
https://issues.asterisk.org/jira/browse/ASTERISK-27345