#VU32829 Input validation error in Wireshark - CVE-2012-0068

Vulnerability identifier: #VU32829

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0068

CWE-ID: CWE-20

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.

The lanalyzer_read function in wiretap/lanalyzer.c in Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 allows remote attackers to cause a denial of service (application crash) via a Novell capture file containing a record that is too small.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.4.0 - 1.4.10

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External links
https://anonsvn.wireshark.org/viewvc?view=revision&revision=40169
https://secunia.com/advisories/47494
https://secunia.com/advisories/54425
https://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
https://www.openwall.com/lists/oss-security/2012/01/11/7
https://www.openwall.com/lists/oss-security/2012/01/20/4
https://www.wireshark.org/security/wnpa-sec-2012-01.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6670
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15379

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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 Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.