Vulnerability identifier: #VU33334

Vulnerability risk: Low

CVSSv3.1: 2.6 [CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-2724

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Samba
Server applications / Directory software, identity management

Vendor: Samba

Description

The vulnerability allows local users to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (mtab corruption) via a crafted string.

Mitigation
Update to version 3.5.11.

Vulnerable software versions

Samba: 3.5.0 - 3.5.10

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External links
http://comments.gmane.org/gmane.linux.kernel.cifs/3827
http://git.samba.org/?p=cifs-utils.git;a=commit;h=1e7a32924b22d1f786b6f490ce8590656f578f91
http://openwall.com/lists/oss-security/2011/07/29/9
http://secunia.com/advisories/45798
http://www.mandriva.com/security/advisories?name=MDVSA-2011:148
http://www.redhat.com/support/errata/RHSA-2011-1220.html
http://www.redhat.com/support/errata/RHSA-2011-1221.html
http://www.securitytracker.com/id?1025984
http://bugzilla.redhat.com/show_bug.cgi?id=726691

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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.