Home / mailings [gentoo-announce] [ GLSA 202006-14 ] PEAR Archive_Tar: Remote code execution vulnerability
Posted on 15 June 2020
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Gentoo Linux Security Advisory GLSA 202006-14
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https://security.gentoo.org/
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Severity: Normal
Title: PEAR Archive_Tar: Remote code execution vulnerability
Date: June 15, 2020
Bugs: #675576
ID: 202006-14
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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
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-php/PEAR-Archive_Tar
< 1.4.5 >= 1.4.5
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
==========
[ 1 ] CVE-2018-1000888
https://nvd.nist.gov/vuln/detail/CVE-2018-1000888
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202006-14
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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