| Name | CVE-2019-7251 |
| Description | An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation. |
| 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 | 923690 |
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 | 1:22.1.0~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 | jessie | (not affected) | | | |
| asterisk | source | stretch | (not affected) | | | |
| asterisk | source | (unstable) | 1:16.2.1~dfsg-1 | | | 923690 |
Notes
[stretch] - asterisk <not-affected> (Vulnerable code not present)
[jessie] - asterisk <not-affected> (Vulnerable code introduced later)
https://downloads.asterisk.org/pub/security/AST-2019-001.html