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Debian 9 DLA-3063-1 Critical: Systemd Heap Use-After-Free Exploit

A heap use-after-free vulnerability was found in systemd, a system and service manager, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate . - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3063-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Sylvain Beucler June 30, 2022 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : systemd Version : 232-25+deb9u14 CVE ID : CVE-2020-1712 Debian Bug : 950732 A heap use-after-free vulnerability was found in systemd, a system and service manager, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages. For Debian 9 stretch, this problem has been fixed in version 232-25+deb9u14. We recommend that you upgrade your systemd packages. For the detailed security status of systemd please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/systemd 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 . An integer overflow vulnerability in openSSL enables remote adversaries to execute arbitrary code or disrupt services by sending malicious packets.. Debian LTS Advisory,Systemd Security,Access Exploit,Code Execution,Polkit Query. . Severity: Critical. LinuxSecurity.com Team

Jun 30, 2022 •Critical Debian LTS