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CVE-2013-4327

Status Candidate

Overview

systemd does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

Related Files

Gentoo Linux Security Advisory 201406-27
Posted Jun 27, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201406-27 - A race condition in polkit could allow a local attacker to gain escalated privileges. Versions less than 3.14.1 are affected.

tags | advisory, local
systems | linux, gentoo
advisories | CVE-2013-4288, CVE-2013-4311, CVE-2013-4324, CVE-2013-4325, CVE-2013-4327
MD5 | 3353856e3ac4462e25b0e9d9b7521070
Debian Security Advisory 2777-1
Posted Oct 11, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2777-1 - Multiple security issues in systemd have been discovered by Sebastian to the bypass of Policykit restrictions and privilege escalation or denial of service through an integer overflow in journald and missing input sanitising in the processing of X keyboard extension (XKB) files.

tags | advisory, denial of service, overflow
systems | linux, debian
advisories | CVE-2013-4327, CVE-2013-4391, CVE-2013-4394
MD5 | 588b3c0b68341cfa7c3da4f88e82a4e7
Mandriva Linux Security Advisory 2013-243
Posted Sep 27, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-243 - A race condition was found in the way the PolicyKit pkcheck utility checked process authorization when the process was specified by its process ID via the --process option. A local user could use this flaw to bypass intended PolicyKit authorizations and escalate their privileges.

tags | advisory, local
systems | linux, mandriva
advisories | CVE-2013-4288, CVE-2013-4325, CVE-2013-4326, CVE-2013-4327
MD5 | 26373f33e20df455a28640147805b5fb
Ubuntu Security Notice USN-1961-1
Posted Sep 18, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1961-1 - It was discovered that systemd was using polkit in an unsafe manner. A local attacker could possibly use this issue to bypass intended polkit authorizations.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2013-4327
MD5 | 0aaa65c30ae5869bc9f5eb5f5238a109
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