The PJSIP Channel Driver in Asterisk Open Source before 12.3.1 allows remote attackers to cause a denial of service (deadlock) by terminating a subscription request before it is complete, which triggers a SIP transaction timeout.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | < 1:16.28.0~dfsg-0+deb11u3 | asterisk_1:16.28.0~dfsg-0+deb11u3_all.deb |
Debian | 10 | all | asterisk | < 1:16.2.1~dfsg-1+deb10u2 | asterisk_1:16.2.1~dfsg-1+deb10u2_all.deb |
Debian | 999 | all | asterisk | < 1:20.6.0~dfsg+~cs6.13.40431414-2 | asterisk_1:20.6.0~dfsg+~cs6.13.40431414-2_all.deb |