<p>Upgrade <code>Alpine:3.17</code> <code>wireshark</code> to version 3.2.7-r0 or higher.</p>

NULL Pointer Dereference Affecting wireshark package, versions <3.2.7-r0

Snyk CVSS

Attack Complexity Low

Availability High

Threat Intelligence

EPSS 0.27% (68^th percentile)

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Snyk ID SNYK-ALPINE317-WIRESHARK-3144769
published 25 Sep 2020
disclosed 6 Oct 2020

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Introduced: 25 Sep 2020

CVE-2020-25866 Open this link in a new tab CWE-476 Open this link in a new tab

How to fix?

Upgrade Alpine:3.17 wireshark to version 3.2.7-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wireshark package and not the wireshark package as distributed by Alpine. See How to fix? for Alpine:3.17 relevant fixed versions and status.

In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.