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Gentoo Linux Security Advisory 201612-20

Gentoo Linux Security Advisory 201612-20
Posted Dec 8, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201612-20 - A buffer overflow in jq might allow remote attackers to execute arbitrary code. Versions less than 1.5-r2 are affected.

tags | advisory, remote, overflow, arbitrary
systems | linux, gentoo
MD5 | 7e1c9ca485946f9637fcec1f968b1e66

Gentoo Linux Security Advisory 201612-20

Change Mirror Download

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Gentoo Linux Security Advisory GLSA 201612-20
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https://security.gentoo.org/
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Severity: Normal
Title: jq: Buffer overflow
Date: December 08, 2016
Bugs: #580606
ID: 201612-20

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Synopsis
========

A buffer overflow in jq might allow remote attackers to execute
arbitrary code.

Background
==========

jq is a lightweight and flexible command-line JSON processor.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-misc/jq < 1.5-r2 >= 1.5-r2

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

An off-by-one error was discovered in the tokenadd function in
jv_parse.c which triggers a heap-based buffer overflow.

Impact
======

A remote attacker could trick a victim into processing a specially
crafted JSON file, possibly resulting in the execution of arbitrary
code with the privileges of the process. Additionally, a remote
attacker could cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All jq users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-misc/jq-1.5-r2"

References
==========

[ 1 ] CVE-2015-8863
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8863

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

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

https://security.gentoo.org/glsa/201612-20

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 2016 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.

http://creativecommons.org/licenses/by-sa/2.5


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