CVE-2023-41913Classic Buffer Overflow in Strongswan

Severity
9.8CRITICALNVD
EPSS
5.3%
top 9.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 7
Latest updateDec 14

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages10 packages

debiandebian/strongswan< strongswan 5.9.8-5+deb12u1 (bookworm)
NVDstrongswan/strongswan5.3.05.9.12
Debianstrongswan/strongswan< 5.9.1-1+deb11u4+3

🔴Vulnerability Details

2
GHSA
GHSA-g7mg-4vgp-5j3h: strongSwan before 52023-12-07
OSV
CVE-2023-41913: strongSwan before 52023-12-07

📋Vendor Advisories

4
Ubuntu
strongSwan vulnerability2023-12-14
Microsoft
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 affected2023-12-12
Ubuntu
strongSwan vulnerability2023-11-20
Debian
CVE-2023-41913: strongswan - strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remo...2023

🕵️Threat Intelligence

3
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CVE-2026-25075 Impact, Exploitability, and Mitigation Steps | Wiz