Moderate: libreswan security update
Summary
ALSA-2024:4376: Moderate: libreswan security update. Affects libreswan versions < 4.12-2.el8_10.4. Fixed in 4.12-2.el8_10.4. How to fix ↓
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Background
Libreswan is an implementation of IPsec and IKE for Linux. It provides authentication and encryption services through strong cryptography, allowing the creation of secure tunnels in untrusted networks such as VPNs.
Vulnerability Detail
The vulnerability in libreswan is related to the default AH/ESP responder in IKEv1, which can crash and restart. This vulnerability is identified as CVE-2024-3652. An attacker could exploit this vulnerability to disrupt the availability of the IPsec service and potentially gain unauthorized access to the system.
How To Fix
Minimum fixed version
4.12-2.el8_10.4
This is the first release that contains the fix.
sudo dnf update libreswanTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The libreswan security update addresses a vulnerability in the default AH/ESP responder of IKEv1. It is crucial to update libreswan to version 4.12-2.el8_10.4 or later to mitigate the risk of potential disruptions and unauthorized access.
See every vulnerability recorded for libreswan →
FAQ
Libreswan is an implementation of IPsec and IKE for Linux, providing authentication and encryption services for secure tunnels.
The vulnerability allows an attacker to crash and restart the default AH/ESP responder in IKEv1, potentially disrupting the IPsec service and compromising system security.
To fix this vulnerability, update libreswan to version 4.12-2.el8_10.4 or later.
The update can be obtained from the official AlmaLinux repositories or through package management tools.
No specific workaround has been provided for this vulnerability. It is recommended to apply the official update.
Related vulnerabilities
Recent vulnerabilities recorded for libreswan.
