GLSA 202003-28: libarchive: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	libarchive: Multiple vulnerabilities
Date:	03/15/2020
Bugs:	#699222, #710358
ID:	202003-28

Synopsis

Multiple vulnerabilities have been found in libarchive, the worst of which may lead to arbitrary code execution.

Background

libarchive is a library for manipulating different streaming archive formats, including certain tar variants, several cpio formats, and both BSD and GNU ar variants.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-arch/libarchive	< 3.4.2	>= 3.4.2	All supported architectures

Description

Multiple vulnerabilities have been discovered in libarchive. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to open a specially crafted archive file possibly resulting in the execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libarchive users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/libarchive-3.4.2"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202003-28.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.