Vulnerability Monitor

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CVE-2023-23009

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

Published

2023-02-21T16:15:11.873

Last Modified

2025-03-17T17:15:15.920

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Primary
CWE-400
Type: Secondary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libreswan	libreswan	4.9	Yes
Operating System	debian	debian_linux	11.0	Yes

References

https://github.com/libreswan/libreswan/issues/954 Exploit, Issue Tracking, Patch ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSMYJH7MC2FZGCY5NH5AXULO3ISXIHOF/ ([email protected])
https://www.debian.org/security/2023/dsa-5368 Third Party Advisory ([email protected])
https://github.com/libreswan/libreswan/issues/954 Exploit, Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSMYJH7MC2FZGCY5NH5AXULO3ISXIHOF/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2023/dsa-5368 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)