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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

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
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

No history.

Information

Published : 2023-03-15 20:15

Updated : 2025-02-27 19:15

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')

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