CVE-2013-4936

wireshark: DoS (NULL pointer dereference, crash) in the PROFINET Real-Time dissector (wnpa-sec-2013-53)

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Severity

Low

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · July 26, 2013

Updated · November 21, 2025

Description

The IsDFP_Frame function in plugins/profinet/packet-pn-rt.c in the PROFINET Real-Time dissector in Wireshark 1.10.x before 1.10.1 does not validate MAC addresses, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.

Statement

This issue does not affect the version of wireshark as shipped with Red Hat Enterprise Linux 5.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.3
AV:N/AC:M/Au:N/C:N/I:N/A:P

CWE-476 · NULL Pointer Dereference