Code Injection in Wireshark

1) Code Injection

EUVDB-ID: #VU32776

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-4049

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

epan/dissectors/packet-nfs.c in the NFS dissector in Wireshark 1.4.x before 1.4.14, 1.6.x before 1.6.9, and 1.8.x before 1.8.1 allows remote attackers to cause a denial of service (loop and CPU consumption) via a crafted packet.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Wireshark: 1.4.0 - 1.4.13

CPE2.3

• cpe:2.3:a:wireshark_org:wireshark:1.4.13:*:*:*:*:*:*:*

External links

http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-nfs.c?r1=43576&r2=43575&pathrev=43576
http://anonsvn.wireshark.org/viewvc?view=revision&revision=43576
http://lists.opensuse.org/opensuse-updates/2012-08/msg00000.html
http://secunia.com/advisories/49971
http://secunia.com/advisories/54425
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
http://www.wireshark.org/security/wnpa-sec-2012-12.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7436
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15707

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.