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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 11.73% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory strongswan.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/strongswan/strongswan/releases release notes
https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-%28cve-2023-41913%29.html vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/ vendor advisory
https://security.netapp.com/advisory/ntap-20250117-0003/

Frequently Asked Questions

What is the severity of CVE-2023-41913?
CVE-2023-41913 has been scored as a critical severity vulnerability.
How to fix CVE-2023-41913?
To fix CVE-2023-41913, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-41913 being actively exploited in the wild?
It is possible that CVE-2023-41913 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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