Description
Heap-based buffer overflow in chan_skinny.c in the Skinny channel driver in Asterisk Open Source 1.6.2.x before 1.6.2.24, 1.8.x before 1.8.11.1, and 10.x before 10.3.1 allows remote authenticated users to cause a denial of service or possibly have unspecified other impact via a series of KEYPAD_BUTTON_MESSAGE events.
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 | 1:1.8.11.1~dfsg-1 | — |
| Debian 6.0 | asterisk | 1:1.6.2.9-2+squeeze5 | DSA-2460-1 |
Advisories 1
- DSA-2460-1 asterisk - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 81455 vdb-entry
- DSA-2460 vendor-advisory
- asterisk-skinny-driver-bo(75102) vdb-entry
- 48941 third-party-advisory
- 1026962 vdb-entry
- 53210 vdb-entry
- http://downloads.asterisk.org/pub/security/AST-2012-005.html
- FEDORA-2012-6724 vendor-advisory
- 48891 third-party-advisory