CVE-2018-8828

CRITICAL

Kamailio <4.4.7, 5.0.x <5.0.6, 5.1.x <5.1.2 - Buffer Overflow

Title source: llm

Description

A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x before 5.0.6, and 5.1.x before 5.1.2. A specially crafted REGISTER message with a malformed branch or From tag triggers an off-by-one heap-based buffer overflow in the tmx_check_pretran function in modules/tmx/tmx_pretran.c.

References (4)

[Patch, Third Party Advisory] https://github.com/kamailio/kamailio/commit/e1d8008a09d9390ebaf698abe8909e10dfec4097

View Patch ZIP pw:eip

[Third Party Advisory] https://github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio-heap-overflow

View Writeup ZIP pw:eip

[Third Party Advisory] https://www.debian.org/security/2018/dsa-4148

[Vendor Advisory] https://usn.ubuntu.com/4240-1/

Scores

CVSS v3 9.8

EPSS 0.0329

EPSS Percentile 87.3%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-193 CWE-787

Status published

Products (3)

debian/debian_linux 8.0

debian/debian_linux 9.0

kamailio/kamailio < 4.4.7

Published Mar 20, 2018

Tracked Since Feb 18, 2026