CVE-2020-27507

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-27507
The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to a buffer overflow that crashes the server or possibly have unspecified other impact.

9.8 /10

CVSS v3 : 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://github.com/kamailio/kamailio/commit/ada3701d22b1fd579f06b4f54fa695fa988e685f Patch
https://github.com/kamailio/kamailio/issues/2503 Exploit Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/05/msg00030.html
Configurations

Configuration 1 (hide)

cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
History

30 May 2023, 19:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2023/05/msg00030.html -

19 Mar 2023, 03:50

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
CWE CWE-120
References (MISC) https://github.com/kamailio/kamailio/commit/ada3701d22b1fd579f06b4f54fa695fa988e685f - (MISC) https://github.com/kamailio/kamailio/commit/ada3701d22b1fd579f06b4f54fa695fa988e685f - Patch
References (MISC) https://github.com/kamailio/kamailio/issues/2503 - (MISC) https://github.com/kamailio/kamailio/issues/2503 - Exploit, Issue Tracking
First Time Kamailio kamailio
Kamailio
CPE cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*

15 Mar 2023, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-03-15 20:15

Updated : 2023-12-10 14:48

NVD link : CVE-2020-27507

Mitre link : CVE-2020-27507

CVE.ORG link : CVE-2020-27507

JSON object : View

Products Affected

kamailio

  • kamailio
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')