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Date: Thu, 18 Apr 2024 10:01:41 +0200
From: David Morel <david.morel@...es.tech>
To: oss-security@...ts.openwall.com
Subject: libreswan: IKEv1 default AH/ESP responder can crash and restart
Hello,
I noticed I missed a few CVEs on libreswan recently as the project is
not posting them here, I subscribed to their announce mailing-list to
monitor that for work, and thought I could try to follow and post them
here when there are new things. That being said, here is the latest one:
Vulnerability information
=========================
The function compute_proto_keymat() did not handle unexpected proposals
for which the keymat size is 0, such as AES-GMAC which can be used only
with NULL encryption. The function ends up calling an assertion failure
routine. No Remote Code Execution is possible.
- CVE-2024-3652
- Advisory: https://libreswan.org/security/CVE-2024-3652/CVE-2024-3652.txt
- Severity: Medium
- Vulnerable versions: libreswan 3.22 - 4.14
- Not vulnerable: libreswan 3.0 - 3.21, 4.15+, 5.0+
--
David Morel
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