7.6 High
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:H/Au:N/C:C/I:C/A:C
0.956 High
EPSS
Percentile
99.4%
Multiple stack-based buffer overflows in the process_sdp function in chan_sip.c of the SIP channel T.38 SDP parser in Asterisk before 1.4.3 allow remote attackers to execute arbitrary code via a long (1) T38FaxRateManagement or (2) T38FaxUdpEC SDP parameter in an SIP message, as demonstrated using SIP INVITE.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | < 1:1.4.3~dfsg-1 | asterisk_1:1.4.3~dfsg-1_all.deb |
Debian | 10 | all | asterisk | < 1:1.4.3~dfsg-1 | asterisk_1:1.4.3~dfsg-1_all.deb |
Debian | 999 | all | asterisk | < 1:1.4.3~dfsg-1 | asterisk_1:1.4.3~dfsg-1_all.deb |