5 Medium
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.075 Low
EPSS
Percentile
94.1%
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | < 1:1.8.4.3-1 | asterisk_1:1.8.4.3-1_all.deb |
Debian | 10 | all | asterisk | < 1:1.8.4.3-1 | asterisk_1:1.8.4.3-1_all.deb |
Debian | 999 | all | asterisk | < 1:1.8.4.3-1 | asterisk_1:1.8.4.3-1_all.deb |