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Gentoo Linux Security Advisory 202008-14

Gentoo Linux Security Advisory 202008-14
Posted Aug 27, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202008-14 - A vulnerability in Wireshark could lead to a Denial of Service condition. Versions less than 3.2.6 are affected.

tags | advisory, denial of service
systems | linux, gentoo
advisories | CVE-2020-17498
SHA-256 | 1e745d3f44450ee5f3ff173318a642583a2f861a43f9f1ec7f4117a0f3560687

Gentoo Linux Security Advisory 202008-14

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202008-14
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https://security.gentoo.org/
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Severity: Normal
Title: Wireshark: Denial of service
Date: August 26, 2020
Bugs: #736914
ID: 202008-14

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Synopsis
=======
A vulnerability in Wireshark could lead to a Denial of Service
condition.

Background
=========
Wireshark is a network protocol analyzer formerly known as ethereal.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/wireshark < 3.2.6 >= 3.2.6

Description
==========
A double free error was discovered in Wireshark's Kafka dissector.

Impact
=====
A remote attacker could exploit these vulnerabilities by sending a
malformed packet or enticing a user to read a malformed packet trace
file, causing a Denial of Service.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Wireshark users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-3.2.6"

References
=========
[ 1 ] CVE-2020-17498
https://nvd.nist.gov/vuln/detail/CVE-2020-17498

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202008-14

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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