#VU32809 Input validation error in Wireshark - CVE-2012-1593

Vulnerability identifier: #VU32809

Vulnerability risk: Low

CVSSv4.0: 2.1 [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:P/U:Clear]

CVE-ID: CVE-2012-1593

CWE-ID: CWE-20

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 remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.

Mitigation
Update to version 1.4.12.

Vulnerable software versions

Wireshark: 1.4.0 - 1.4.11

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External links
https://anonsvn.wireshark.org/viewvc?view=revision&revision=40962
https://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html
https://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html
https://secunia.com/advisories/48548
https://secunia.com/advisories/48986
https://www.exploit-db.com/exploits/18758
https://www.openwall.com/lists/oss-security/2012/03/28/13
https://www.securitytracker.com/id?1026874
https://www.wireshark.org/security/wnpa-sec-2012-04.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823
https://exchange.xforce.ibmcloud.com/vulnerabilities/74361
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991

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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.