Vulnerability identifier: #VU40449

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-2522

CWE-ID: CWE-125

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 attacker to gain access to perform denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the epan/dissectors/packet-ber.c function in the ASN.1 BER dissector file. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 2.0.0 - 2.0.1

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External links
http://www.securitytracker.com/id/1035118
http://www.wireshark.org/security/wnpa-sec-2016-02.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11828
http://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9b2f3f7c5c9205381cb72e42b66e97d8ed3abf63
http://security.gentoo.org/glsa/201604-05

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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.