Public Date:
848584: CVE-2012-4286 wireshark: crash due to zero division in pcnap-ng file parser (wnpa-sec-2012-24)

The MITRE CVE dictionary describes this issue as:

The pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in Wireshark 1.8.x before 1.8.2 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted pcap-ng file.

Find out more about CVE-2012-4286 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5 or 6.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 1.9
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 wireshark Not affected
Red Hat Enterprise Linux 6 wireshark Not affected