Unrated
An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x...
CVE-2021-26906
First seen on SecPulse
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2021-26906 asterisk Fixed in: 16.16.1-r0
- Debian DEBIAN-CVE-2021-26906 asterisk Fixed in: 1:16.16.1~dfsg-1
Original description The description as published by the source.
An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.
References
- advisory packetstormsecurity.com
- advisory downloads.asterisk.org
- advisory downloads.asterisk.org
- patch seclists.org
- patch issues.asterisk.org