Linux Security Advisory GLSA 202011-18
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
https://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Severity: Normal
Title: Apache Ant: Insecure temporary file
Date: November 16, 2020
Bugs: #745768
ID: 202011-18
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
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
—–BEGIN PGP SIGNATURE—–
iQEzBAABCAAdFiEEmv7M5qd5RX+UB+cwV6vTrTwY1fAFAl+x580ACgkQV6vTrTwY
1fA0bggAl8yw9LKudZHBbyRZePtGevglGiTKGKUjSls03Pk3SRl0RGvwSc645VAg
DA0/5tvyS3RrqYjbnEYb5zMPWBIcNsYj7Fx+E4CLmi3xnVt40YWXiYgHUTQCLlMQ
1Goq3W7KXGsIelobdCnueJZFDSTHA0TsEOJDtN0+zpXROh+t6vVSwtlCfnxskQ1L
qQ7ZPMt6CDbdV0xYY7rKlfsgRBT2d7OvNHWIgMALDYJPms/SefkxOnEaVtl1mqzm
7n8REYvlIfivrbkGniqZ3zz3kwDccgkFzOukQ45OYAawo9VdScqYAPw3bK3NJ7cv
qiseUrtHHf3uWjjNGZeVQvADn0Hx5A==
=maDi
—–END PGP SIGNATURE—–
