Vulnerability identifier: #VU32795

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2012-2393

CWE-ID: CWE-119

Exploitation vector: Local network

Exploit availability: Yes

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.

epan/dissectors/packet-diameter.c in the DIAMETER dissector in Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 does not properly construct certain array data structures, which allows remote attackers to cause a denial of service (application crash) via a crafted packet that triggers incorrect memory allocation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.4.0 - 1.4.12

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External links
http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-diameter.c?r1=42200&r2=42199&pathrev=42200
http://anonsvn.wireshark.org/viewvc?view=revision&revision=42200
http://secunia.com/advisories/49226
http://www.mandriva.com/security/advisories?name=MDVSA-2012:015
http://www.mandriva.com/security/advisories?name=MDVSA-2012:042
http://www.mandriva.com/security/advisories?name=MDVSA-2012:080
http://www.securityfocus.com/bid/53652
http://www.securitytracker.com/id?1027094
http://www.wireshark.org/security/wnpa-sec-2012-09.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7138
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15558

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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. However, proof of concept for this vulnerability is available.