Vulnerability identifier: #VU41544

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-4174

CWE-ID: CWE-119

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 execute arbitrary code.

wiretap/libpcap.c in the libpcap file parser in Wireshark 1.10.x before 1.10.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted packet-trace file that includes a large packet.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.10.0 - 1.10.3

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External links
http://anonsvn.wireshark.org/viewvc/trunk-1.10/wiretap/libpcap.c?r1=53123&r2=53122&pathrev=53123
http://anonsvn.wireshark.org/viewvc?view=revision&revision=53123
http://www.wireshark.org/security/wnpa-sec-2014-05.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8808
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9390
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9753

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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.