NULL Pointer Dereference Affecting wireshark-devel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.28% (70th percentile)

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  • Snyk IDSNYK-RHEL7-WIRESHARKDEVEL-1365002
  • published26 Jul 2021
  • disclosed29 Aug 2017

Introduced: 29 Aug 2017

CVE-2017-13764  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 wireshark-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wireshark-devel package and not the wireshark-devel package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.