Description
The STUN implementation in Asterisk 1.4.x before 1.4.8, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted STUN length attribute in a STUN packet sent on an RTP port.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | asterisk | 1:1.4.8~dfsg-1 | — |
References
- 26099 third-party-advisory
- 24950 vdb-entry
- 1018407 vdb-entry
- http://ftp.digium.com/pub/asa/ASA-2007-017.pdf
- asterisk-stun-dos(35480) vdb-entry
- ADV-2007-2563 vdb-entry