Moderate: libreswan security and bug fix update
Summary
ALSA-2023:3095: Moderate: libreswan security and bug fix update. Affects libreswan versions < 4.9-2.el8_8.2. Fixed in 4.9-2.el8_8.2. How to fix ↓
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Background
Libreswan is an implementation of IPsec and IKE for Linux. IPsec provides authentication and encryption services, allowing secure tunnels to be built through untrusted networks like VPNs.
Vulnerability Detail
A remote Denial of Service (DoS) vulnerability exists in libreswan due to a flaw in handling crafted Traffic Selector (TS) payloads with incorrect selector length. An attacker could exploit this vulnerability to cause a DoS condition. The impact of this vulnerability is moderate.
How To Fix
Minimum fixed version
4.9-2.el8_8.2
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
In conclusion, libreswan is affected by a moderate remote DoS vulnerability. It is recommended to update to the latest version to mitigate the risk. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for libreswan →
FAQ
Libreswan is an implementation of IPsec and IKE for Linux, providing authentication and encryption services.
The vulnerability allows a remote attacker to cause a Denial of Service (DoS) condition.
Update libreswan to version 4.9-2.el8_8.2 or later.
No workaround is mentioned for this vulnerability.
You can find more information about this vulnerability in the CVE page(s) listed in the References section.
Related vulnerabilities
Recent vulnerabilities recorded for libreswan.
