[ GLSA 200510-05 ] Ruby: Security bypass vulnerability
From: Sune Kloppenborg Jeppesen <jaervosz@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200510-05 ] Ruby: Security bypass vulnerability
Date: Thu, 6 Oct 2005 16:42:09 +0200
User-Agent: KMail/1.8.1
Cc: bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk,
security-alerts@linuxsecurity.com
Organization: Gentoo Linux Security Team
X-GPG-Key: http://home.coming.dk/skj.pub.gpg
MIME-Version: 1.0
Content-Type: multipart/signed;
boundary="nextPart1509371.riO77rJjTq";
protocol="application/pgp-signature";
micalg=pgp-sha1
Content-Transfer-Encoding: 7bit
Message-Id: <200510061642.15100.jaervosz@gentoo.org.>
X-Virus-Scanned: antivirus-gw at tyumen.ru
--nextPart1509371.riO77rJjTq
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200510-05
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Ruby: Security bypass vulnerability
Date: October 06, 2005
Bugs: #106996
ID: 200510-05
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
Ruby is vulnerable to a security bypass of the safe level mechanism.
Background
==========
Ruby is an interpreted scripting language for quick and easy
object-oriented programming. Ruby supports the safe execution of
untrusted code using a safe level and taint flag mechanism.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-lang/ruby < 1.8.3 >= 1.8.3
Description
===========
Dr. Yutaka Oiwa discovered that Ruby fails to properly enforce safe
level protections.
Impact
======
An attacker could exploit this vulnerability to execute arbitrary code
beyond the restrictions specified in each safe level.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Ruby users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.8.3"
References
==========
[ 1 ] CAN-2005-2337
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2337
[ 2 ] Ruby release announcement
http://www.ruby-lang.org/en/20051003.html
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200510-05.xml
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
http://bugs.gentoo.org.
License
=======
Copyright 2005 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/2.0
--nextPart1509371.riO77rJjTq
Content-Type: application/pgp-signature
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (GNU/Linux)
iD8DBQBDRTfGzKC5hMHO6rkRAireAKCERJXLOymDTFJqidhWZ5eLVV1QfgCfT7Ao
Hj9icx0Hyk8xcSzsTky4q1Q=
=ylpZ
-----END PGP SIGNATURE-----
--nextPart1509371.riO77rJjTq--
