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Gentoo Linux Security Advisory GLSA 201801-06
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https://security.gentoo.org/
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Severity: Normal
Title: Back In Time: Command injection
Date: January 07, 2018
Bugs: #636974
ID: 201801-06
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Synopsis
========
A command injection vulnerability in 'Back in Time' may allow for the
execution of arbitrary shell commands.
Background
==========
A simple backup tool for Linux, inspired by "flyback project".
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-backup/backintime < 1.1.24 >= 1.1.24
Description
===========
'Back in Time' did improper escaping/quoting of file paths used as
arguments to the 'notify-send' command leading to some parts of file
paths being executed as shell commands within an os.system call.
Impact
======
A context-dependent attacker could execute arbitrary shell commands via
a specially crafted file.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All 'Back In Time' users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-backup/backintime-1.1.24"
References
==========
[ 1 ] CVE-2017-16667
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-16667
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201801-06
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 2018 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