Division by zero in Wireshark

1) Division by zero

EUVDB-ID: #VU32761

Risk: Low

CVSSv3.1: 3.8 [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-2012-4285

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to divide-by-zero error within The dissect_pft function in epan/dissectors/packet-dcp-etsi.c in the DCP ETSI dissector in Wireshark 1.4.x before 1.4.15, 1.6.x before 1.6.10, and 1.8.x before 1.8.2. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a zero-length message.

Mitigation

Update to version 1.4.15.

Vulnerable software versions

Wireshark: 1.4.0 - 1.4.14

CPE2.3

• cpe:2.3:a:wireshark_org:wireshark:1.4.14:*:*:*:*:*:*:*

External links

http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-dcp-etsi.c?r1=44247&r2=44246&pathrev=44247
http://anonsvn.wireshark.org/viewvc?view=revision&revision=44247
http://lists.opensuse.org/opensuse-updates/2012-08/msg00033.html
http://rhn.redhat.com/errata/RHSA-2013-0125.html
http://secunia.com/advisories/50276
http://secunia.com/advisories/51363
http://secunia.com/advisories/54425
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
http://www.securityfocus.com/bid/55035
http://www.wireshark.org/security/wnpa-sec-2012-13.html
http://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark3
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7566
http://hermes.opensuse.org/messages/15514562
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15712

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.