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Debian 10 LTS DLA-3739-1 Critical: Libjwt Timing Side Channel Attack

An issue has been found in libjwt, a C library to handle JWT (JSON Web Token). Due to using strcmp(), which does not use constant time during execution, a timing side channel attack might be possible. . - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3739-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Thorsten Alteholz February 24, 2024 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : libjwt Version : 1.10.1-1+deb10u1 CVE ID : CVE-2024-25189 An issue has been found in libjwt, a C library to handle JWT (JSON Web Token). Due to using strcmp(), which does not use constant time during execution, a timing side channel attack might be possible. For Debian 10 buster, this problem has been fixed in version 1.10.1-1+deb10u1. We recommend that you upgrade your libjwt packages. For the detailed security status of libjwt please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/libjwt 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 . Debian LTS Advisory DLA-3740-1 addresses critical security flaw in libssl; all users advised to update their systems.. Debian LTS, Libjwt Update, Timing Side Channel Attack. . Severity: Critical. LinuxSecurity.com Team

Feb 25, 2024 •Critical Debian LTS