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CVE-2019-15297

Published: 9 September 2019

res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
asterisk
Launchpad, Ubuntu, Debian
focal Needed

groovy Not vulnerable
(1:16.10.0~dfsg-1)
hirsute Not vulnerable
(1:16.10.0~dfsg-1)
xenial Needed

kinetic Not vulnerable
(1:16.10.0~dfsg-1)
bionic Needed

disco Ignored
(end of life)
eoan Ignored
(end of life)
impish Not vulnerable
(1:16.10.0~dfsg-1)
jammy Not vulnerable
(1:16.10.0~dfsg-1)
lunar Not vulnerable
(1:16.10.0~dfsg-1)
trusty Does not exist

upstream Needs triage

mantic Not vulnerable
(1:16.10.0~dfsg-1)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H