3.5 Low
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:N/A:P
0.63 Medium
EPSS
Percentile
97.8%
channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.26.1, 11.8.x before 11.8.1, and 12.1.x before 12.1.1, and Certified Asterisk 1.8.15 before 1.8.15-cert5 and 11.6 before 11.6-cert2, when chan_sip has a certain configuration, allows remote authenticated users to cause a denial of service (channel and file descriptor consumption) via an INVITE request with a (1) Session-Expires or (2) Min-SE header with a malformed or invalid value.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | <Β 1:11.8.1~dfsg-1 | asterisk_1:11.8.1~dfsg-1_all.deb |
Debian | 10 | all | asterisk | <Β 1:11.8.1~dfsg-1 | asterisk_1:11.8.1~dfsg-1_all.deb |
Debian | 999 | all | asterisk | <Β 1:11.8.1~dfsg-1 | asterisk_1:11.8.1~dfsg-1_all.deb |