CVE Vulnerability

CVE-2018-16657

In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with an invalid Via header causes a segmentation fault and crashes Kamailio. The reason is missing input validation in the crcitt_string_array core function for calculating a CRC hash for To tags. (An additional error is present in the check_via_address core function: this function also misses input validation.) This could result in denial of service and potentially the execution of arbitrary code.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://skalatan.de/blog/advisory-hw-2018-06 Exploit Patch
https://www.debian.org/security/2018/dsa-4292 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00013.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
Information

Published : 2018-09-07 02:29

Updated : 2020-08-24 05:37

NVD link : CVE-2018-16657

Mitre link : CVE-2018-16657

Products Affected
No products.
CWE
CWE-476