Vulnerability identifier: #VU32796

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-2012-2394

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.

Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 on the SPARC and Itanium platforms does not properly perform data alignment for a certain structure member, which allows remote attackers to cause a denial of service (application crash) via a (1) ICMP or (2) ICMPv6 Echo Request packet.

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?view=revision&revision=42393
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/53653
http://www.securitytracker.com/id?1027094
http://www.wireshark.org/security/wnpa-sec-2012-10.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7221

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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.