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Last updated: 7/30/2014 1:10:25 AM

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Vulnerability Summary for CVE-2012-3524

Original release date: 09/18/2012
Last revised: 05/05/2014
Source: US-CERT/NIST

Overview

libdbus 1.5.x and earlier, when used in setuid or other privileged programs in X.org and possibly other products, allows local users to gain privileges and execute arbitrary code via the DBUS_SYSTEM_BUS_ADDRESS environment variable. NOTE: libdbus maintainers state that this is a vulnerability in the applications that do not cleanse environment variables, not in libdbus itself: "we do not support use of libdbus in setuid binaries that do not sanitize their environment before their first call into libdbus."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 (MEDIUM) (AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: SUSE
Name: openSUSE-SU-2012:1418
External Source: EXPLOIT-DB
Name: 21323
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=847402
External Source: SECUNIA
Name: 50710
External Source: SECUNIA
Name: 50537
Type: Advisory
External Source: MISC
Name: http://stealth.openwall.net/null/dzug.c
External Source: MANDRIVA
Name: MDVSA-2013:083
External Source: SUSE
Name: SUSE-SU-2012:1155
External Source: MLIST
Name: [oss-security] 20120726 Re: libdbus hardening
External Source: SUSE
Name: SUSE-SU-2012:1155-2
External Source: SUSE
Name: openSUSE-SU-2012:1287
External Source: MLIST
Name: [oss-security] 20120710 libdbus hardening
External Source: SECUNIA
Name: 50544
External Source: MLIST
Name: [oss-security] 20120917 Re: libdbus CVE-2012-3524 fix
External Source: MANDRIVA
Name: MDVSA-2013:070
External Source: MLIST
Name: [oss-security] 20120912 libdbus CVE-2012-3524 fix
External Source: REDHAT
Name: RHSA-2012:1261
External Source: MISC
Name: https://bugzilla.novell.com/show_bug.cgi?id=697105
External Source: UBUNTU
Name: USN-1576-2
External Source: MLIST
Name: [oss-security] 20120914 Re: libdbus CVE-2012-3524 fix
External Source: UBUNTU
Name: USN-1576-1
External Source: BID
Name: 55517
External Source: CONFIRM
Name: https://bugs.freedesktop.org/show_bug.cgi?id=52202
Type: Patch Information

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)