#VU41945 Buffer overflow in Wireshark - CVE-2014-2282

Vulnerability identifier: #VU41945

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-2014-2282

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 perform service disruption.

The dissect_protocol_data_parameter function in epan/dissectors/packet-m3ua.c in the M3UA dissector in Wireshark 1.10.x before 1.10.6 does not properly allocate memory, which allows remote attackers to cause a denial of service (application crash) via a crafted SS7 MTP3 packet.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.10.0 - 1.10.5

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External links
https://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-m3ua.c?r1=51608&r2=51607&pathrev=51608
https://anonsvn.wireshark.org/viewvc?view=revision&revision=51608
https://lists.opensuse.org/opensuse-updates/2014-03/msg00046.html
https://secunia.com/advisories/57480
https://www.securitytracker.com/id/1029907
https://www.wireshark.org/security/wnpa-sec-2014-02.html
https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark10
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9699

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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.