| Name | CVE-2020-27507 |
| Description | The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to a buffer overflow that crashes the server or possibly have unspecified other impact. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3438-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| kamailio (PTS) | jessie, jessie (lts) | 4.2.0-2+deb8u5 | vulnerable |
| stretch (security), stretch (lts), stretch | 4.4.4-2+deb9u3 | vulnerable |
| buster | 5.2.1-1 | vulnerable |
| buster (security) | 5.2.1-1+deb10u1 | fixed |
| bullseye | 5.4.4-1 | fixed |
| bookworm | 5.6.3-2 | fixed |
| sid | 5.7.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| kamailio | source | jessie | (unfixed) | end-of-life | | |
| kamailio | source | stretch | (unfixed) | end-of-life | | |
| kamailio | source | buster | 5.2.1-1+deb10u1 | | DLA-3438-1 | |
| kamailio | source | (unstable) | 5.4.2-1 | | | |
Notes
https://github.com/kamailio/kamailio/issues/2503
https://github.com/kamailio/kamailio/commit/f57c900b438f3233fa1e9a9d3ca8cd383a30baa6 (5.4.2) (5.4 branch)
https://github.com/kamailio/kamailio/commit/ada3701d22b1fd579f06b4f54fa695fa988e685f (5.5.0) (master branch)