Remote code execution in cifs-utils

1) Stack-based buffer overflow

EUVDB-ID: #VU63955

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-2830

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in cifskey.c or cifscreds.c in cifs-utils. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cifs-utils: 4.0 - 6.3

CPE2.3

• cpe:2.3:a:Distrotech:cifs-utils:6.3:*:*:*:*:*:*:*
• cpe:2.3:a:Distrotech:cifs-utils:6.2:*:*:*:*:*:*:*
• cpe:2.3:a:Distrotech:cifs-utils:6.1:*:*:*:*:*:*:*

External links

http://advisories.mageia.org/MGASA-2014-0242.html
http://seclists.org/oss-sec/2014/q2/96
http://www.mandriva.com/security/advisories?name=MDVSA-2015:114
http://bugs.mageia.org/show_bug.cgi?id=13386
http://bugzilla.novell.com/show_bug.cgi?id=870168
http://bugzilla.redhat.com/show_bug.cgi?id=1086224
http://lists.samba.org/archive/samba-technical/2014-July/101132.html
http://security.gentoo.org/glsa/201612-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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