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CVE-2018-14767

Published: 31 July 2018

In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with a double "To" header and an empty "To" tag causes a segmentation fault and crash. The reason is missing input validation in the "build_res_buf_from_sip_req" core function. This could result in denial of service and potentially the execution of arbitrary code.

Priority

Low

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
kamailio
Launchpad, Ubuntu, Debian
bionic Needed

cosmic Ignored
(end of life)
disco Not vulnerable
(5.2.1-1)
eoan Not vulnerable
(5.2.1-1)
focal Not vulnerable
(5.2.1-1)
groovy Not vulnerable
(5.2.1-1)
hirsute Not vulnerable
(5.2.1-1)
impish Not vulnerable
(5.2.1-1)
jammy Not vulnerable
(5.2.1-1)
kinetic Not vulnerable
(5.2.1-1)
lunar Not vulnerable
(5.2.1-1)
mantic Not vulnerable
(5.2.1-1)
trusty Does not exist
(trusty was needs-triage)
upstream
Released (5.1.4-1)
xenial Needed

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H