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Debian Stretch: DLA-2909-1 Critical: StrongSwan Client Bypass DoS

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. . - ----------------------------------------------------------------------- Debian LTS Advisory DLA-2909-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Utkarsh Gupta February 03, 2022 https://wiki.debian.org/LTS - ----------------------------------------------------------------------- Package : strongswan Version : 5.5.1-4+deb9u6 CVE ID : CVE-2021-45079 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/source-package/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 . Ubuntu Security Notice USN-4876-1 highlights a vulnerability in OpenSSL that could result in possible encryption failures and data exposure.. Debian LTS, strongswan security, EAP authentication fix, DoS vulnerability. . Severity: Critical. LinuxSecurity.com Team

Feb 03, 2022 •Critical Debian LTS