Access Restriction Bypass Affecting d-bus package, versions [,1.6.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.05% (17th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-DBUS-2371884
  • published26 Jan 2022
  • disclosed18 Sept 2012
  • creditUnknown

Introduced: 18 Sep 2012

CVE-2012-3524  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade d-bus to version 1.6.0 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass 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."

CVSS Scores

version 3.1