CVE-2023-23009

libreswan: remote DoS via crafted TS payload with an incorrect selector length

Published Feb 21, 2023 CVSS 3.1 · 6.5 Medium EPSS 1.6% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5368-1 libreswan security update
EUVD EUVD EUVD-2023-27109 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Redhat openshift
CPEs cpe:/a:redhat:openshift:4.15::el9
cpe:/a:redhat:openshift:4.16::el9
cpe:/a:redhat:openshift:4.17::el9
Vendors & Products Redhat openshift
Type Values Removed Values Added
First Time appeared Redhat rhel E4s
CPEs cpe:/a:redhat:rhel_e4s:9.0
Vendors & Products Redhat rhel E4s
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Mar 17, 2025, 5:02 PM
Reserved
Jan 11, 2023, 12:00 AM
Status
Modified
Published
Feb 21, 2023, 4:15 PM
Modified
Jun 17, 2026, 5:36 AM
Severity
Moderate
Public date
Feb 21, 2023, 12:00 AM