Vulnerability identifier: #VU45102

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2011-1591

CWE-ID: CWE-121

Exploitation vector: 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 attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a crafted .pcap file. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.4.0 - 1.4.4

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External links
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058900.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058983.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058993.html
http://openwall.com/lists/oss-security/2011/04/18/2
http://openwall.com/lists/oss-security/2011/04/18/8
http://secunia.com/advisories/44172
http://secunia.com/advisories/44374
http://securitytracker.com/id?1025389
http://www.exploit-db.com/exploits/17185
http://www.exploit-db.com/exploits/17195
http://www.kb.cert.org/vuls/id/243670
http://www.mandriva.com/security/advisories?name=MDVSA-2011:083
http://www.osvdb.org/71848
http://www.vupen.com/english/advisories/2011/1022
http://www.vupen.com/english/advisories/2011/1106
http://www.wireshark.org/security/wnpa-sec-2011-06.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5836
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5838
http://exchange.xforce.ibmcloud.com/vulnerabilities/66834
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15000

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