CVE-2018-8828 Information

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.

CVSS Vector

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

Reference

https://github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio-heap-overflow https://github.com/kamailio/kamailio/commit/e1d8008a09d9390ebaf698abe8909e10dfec4097 https://usn.ubuntu.com/4240-1/ https://www.debian.org/security/2018/dsa-4148

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8