Input validation error in Freedesktop dbus

1) Input validation error

EUVDB-ID: #VU32519

Risk: Low

CVSSv3.1: 3.5 [CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-3532

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to perform service disruption.

dbus 1.3.0 before 1.6.22 and 1.8.x before 1.8.6, when running on Linux 2.6.37-rc4 or later, allows local users to cause a denial of service (system-bus disconnect of other services or applications) by sending a message containing a file descriptor, then exceeding the maximum recursion depth before the initial message is forwarded.

Mitigation

Install update from vendor's website.

Vulnerable software versions

dbus: 1.3.0

CPE2.3

• cpe:2.3:a:freedesktop_org:dbus:1.3.0:*:*:*:*:*:*:*

External links

http://advisories.mageia.org/MGASA-2014-0294.html
http://lists.opensuse.org/opensuse-updates/2014-09/msg00049.html
http://openwall.com/lists/oss-security/2014/07/02/4
http://secunia.com/advisories/59611
http://secunia.com/advisories/59798
http://secunia.com/advisories/60236
http://www.debian.org/security/2014/dsa-2971
http://www.mandriva.com/security/advisories?name=MDVSA-2015:176
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://bugs.freedesktop.org/show_bug.cgi?id=80163

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.