#VU32523 Input validation error in Samba - CVE-2014-0244
Vulnerability identifier: #VU32523
Vulnerability risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2014-0244
CWE-ID:
CWE-20
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Samba
Server applications /
Directory software, identity management
Vendor: Samba
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The sys_recvfrom function in nmbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed UDP packet.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Samba: 3.6.0 - 3.6.23
External links
https://advisories.mageia.org/MGASA-2014-0279.html
https://linux.oracle.com/errata/ELSA-2014-0866.html
https://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html
https://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html
https://rhn.redhat.com/errata/RHSA-2014-0866.html
https://secunia.com/advisories/59378
https://secunia.com/advisories/59407
https://secunia.com/advisories/59433
https://secunia.com/advisories/59579
https://secunia.com/advisories/59834
https://secunia.com/advisories/59848
https://secunia.com/advisories/59919
https://secunia.com/advisories/61218
https://security.gentoo.org/glsa/glsa-201502-15.xml
https://www.mandriva.com/security/advisories?name=MDVSA-2014:136
https://www.mandriva.com/security/advisories?name=MDVSA-2015:082
https://www.samba.org/samba/security/CVE-2014-0244
https://www.securityfocus.com/archive/1/532757/100/0/threaded
https://www.securityfocus.com/bid/68148
https://www.securitytracker.com/id/1030455
https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_samba1
https://bugzilla.redhat.com/show_bug.cgi?id=1097815
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
