4 Medium
CVSS2
Access Vector
Access Complexity
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
0.01 Low
EPSS
Percentile
84.0%
channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | < 1:1.8.13.1~dfsg-1 | asterisk_1:1.8.13.1~dfsg-1_all.deb |
Debian | 10 | all | asterisk | < 1:1.8.13.1~dfsg-1 | asterisk_1:1.8.13.1~dfsg-1_all.deb |
Debian | 999 | all | asterisk | < 1:1.8.13.1~dfsg-1 | asterisk_1:1.8.13.1~dfsg-1_all.deb |