Buffer Overflow Affecting strongswan-ipsec package, versions <5.8.2-150200.11.42.2


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.71% (81st percentile)

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  • Snyk IDSNYK-SLES153-STRONGSWANIPSEC-6070810
  • published22 Nov 2023
  • disclosed21 Nov 2023

Introduced: 21 Nov 2023

CVE-2023-41913  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 strongswan-ipsec to version 5.8.2-150200.11.42.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream strongswan-ipsec package and not the strongswan-ipsec package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

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 Scores

version 3.1