Linux Security Advisory GLSA 202011-18
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https://security.gentoo.org/
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Severity: Normal
Title: Apache Ant: Insecure temporary file
Date: November 16, 2020
Bugs: #745768
ID: 202011-18

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Synopsis
========

Apache Ant uses various insecure temporary files possibly allowing
local code execution.

Background
==========

Ant is a Java-based build tool similar to ‘make’ that uses XML
configuration files.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 dev-java/ant < 1.10.9 >= 1.10.9

Description
===========

A previous fix for a security vulnerability involving insecure
temporary files has been found to be incomplete.

Impact
======

A local attacker could perform symlink attacks to overwrite arbitrary
files with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Apache Ant users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=dev-java/ant-1.10.9”

References
==========

[ 1 ] CVE-2020-11979
https://nvd.nist.gov/vuln/detail/CVE-2020-11979
[ 2 ] GLSA-202007-34
https://security.gentoo.org/glsa/202007-34

Availability
============

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

https://security.gentoo.org/glsa/202011-18

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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