Debian Security Advisory
DLA-2909-1 strongswan -- LTS security update
- Date Reported:
- 04 Feb 2022
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-45079.
- More information:
Zhuowei Zhang discovered a bug in the EAP authentication client code of strongSwan, an IKE/IPsec suite, that may allow to bypass the client and in some scenarios even the server authentication, or could lead to a denial-of-service attack.
For Debian 9 stretch, this problem has been fixed in version 5.5.1-4+deb9u6.
We recommend that you upgrade your strongswan packages.
For the detailed security status of strongswan please refer to its security tracker page at: https://security-tracker.debian.org/tracker/strongswan
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS