| Name | CVE-2023-41913 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3663-1, DSA-5560-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| strongswan (PTS) | bullseye (security), bullseye | 5.9.1-1+deb11u4 | fixed |
| bookworm, bookworm (security) | 5.9.8-5+deb12u1 | fixed |
| trixie | 6.0.1-1 | fixed |
| sid | 6.0.1-5 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-(cve-2023-41913).html
Patches: https://download.strongswan.org/security/CVE-2023-41913/