Vulnerability identifier: #VU32587

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-7114

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wireshark
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Wireshark.org

Description

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

Multiple buffer overflows in the create_ntlmssp_v2_key function in epan/dissectors/packet-ntlmssp.c in the NTLMSSP v2 dissector in Wireshark 1.8.x before 1.8.12 and 1.10.x before 1.10.4 allow remote attackers to cause a denial of service (application crash) via a long domain name in a packet.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.8.0 - 1.8.11

---

External links
http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ntlmssp.c?r1=53626&r2=53625&pathrev=53626
http://anonsvn.wireshark.org/viewvc?view=revision&revision=53626
http://lists.opensuse.org/opensuse-updates/2014-01/msg00007.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00011.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00014.html
http://rhn.redhat.com/errata/RHSA-2014-0342.html
http://secunia.com/advisories/56052
http://secunia.com/advisories/56285
http://secunia.com/advisories/56313
http://www.debian.org/security/2013/dsa-2825
http://www.mandriva.com/security/advisories?name=MDVSA-2013:296
http://www.wireshark.org/security/wnpa-sec-2013-68.html

---

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.