CVE-2023-2295

libreswan: Regression of CVE-2023-30570 fixes in the Red Hat Enterprise Linux

Published May 17, 2023 CVSS 3.1 · 7.5 High EPSS 1.6% KEV · Not listed
Description
A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the libreswan responder SPI as its own initiator SPI, the pluto daemon state machine crashes. No remote code execution is possible. This CVE exists because of a CVE-2023-30570 security regression for libreswan package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-33801 A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the libreswan responder SPI as its own initiator SPI, the pluto daemon state machine crashes. No remote code execution is possible. This CVE exists because of a CVE-2023-30570 security regression for libreswan package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.
History
Type Values Removed Values Added
First Time appeared Redhat openshift
Redhat rhel E4s
CPEs cpe:/a:redhat:openshift:4.15::el9
cpe:/a:redhat:openshift:4.16::el9
cpe:/a:redhat:openshift:4.17::el9
cpe:/a:redhat:rhel_e4s:9.0
Vendors & Products Redhat openshift
Redhat rhel E4s
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Jan 22, 2025, 6:25 PM
Reserved
Apr 26, 2023, 12:00 AM
Status
Modified
Published
May 17, 2023, 11:15 PM
Modified
Jun 17, 2026, 5:52 AM
Severity
Important
Public date
May 9, 2023, 12:00 AM