CVE-2023-41913 | BDVDB-2026-218686 Detail
Description#
strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
References#
- https://github.com/strongswan/strongswan/releases
- https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-%28cve-2023-41913%29.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/
- https://security.netapp.com/advisory/ntap-20250117-0003/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/
- https://lists.debian.org/debian-lts-announce/2023/11/msg00018.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.