reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | < 1:1.8.4.2-1 | asterisk_1:1.8.4.2-1_all.deb |
Debian | 10 | all | asterisk | < 1:1.8.4.2-1 | asterisk_1:1.8.4.2-1_all.deb |
Debian | 999 | all | asterisk | < 1:1.8.4.2-1 | asterisk_1:1.8.4.2-1_all.deb |