Vulnerability identifier: #VU44899

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-2597

CWE-ID: CWE-399

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 Lucent/Ascend file parser in Wireshark 1.2.x before 1.2.18, 1.4.x through 1.4.7, and 1.6.0 allows remote attackers to cause a denial of service (infinite loop) via malformed packets.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.2 - 1.2.17, 1.4.0 - 1.4.7, 1.6.0

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External links
http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063586.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063591.html
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00022.html
http://secunia.com/advisories/45086
http://secunia.com/advisories/45574
http://secunia.com/advisories/48947
http://securitytracker.com/id?1025738
http://www.mandriva.com/security/advisories?name=MDVSA-2011:118
http://www.securityfocus.com/bid/48506
http://www.wireshark.org/security/wnpa-sec-2011-09.html
http://www.wireshark.org/security/wnpa-sec-2011-10.html
http://www.wireshark.org/security/wnpa-sec-2011-11.html
http://exchange.xforce.ibmcloud.com/vulnerabilities/68335
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14794

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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.