GLSA 202006-14: PEAR Archive_Tar: Remote code execution vulnerability

http://security.gentoo.org/

Severity:	normal
Title:	PEAR Archive_Tar: Remote code execution vulnerability
Date:	06/15/2020
Bugs:	#675576
ID:	202006-14

Synopsis

A buffer overflow in the PEAR module Archive_Tar might allow local or remote attacker(s) to execute arbitrary code.

Background

This class provides handling of tar files in PHP.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-php/PEAR-Archive_Tar	< 1.4.5	>= 1.4.5	All supported architectures

Description

An issue was discovered in the PEAR module Archive_Tar’s handling of file paths within Tar achives.

Impact

A local or remote attacker could possibly execute arbitrary code with the privileges of the process.

Workaround

Avoid handling untrusted Tar files with this package until you have upgraded to a non-vulnerable version.

Resolution

All PEAR-Archive_Tar users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-php/PEAR-Archive_Tar-1.4.5"

References

CVE-2018-1000888

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202006-14.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.