GLSA 202008-14: Wireshark: Denial of service

http://security.gentoo.org/

Severity:	normal
Title:	Wireshark: Denial of service
Date:	08/26/2020
Bugs:	#736914
ID:	202008-14

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	Architecture(s)
net-analyzer/wireshark	< 3.2.6	>= 3.2.6	All supported architectures

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

CVE-2020-17498

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202008-14.xml

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.