July 2005
Gentoo - Two Security Advisories
ID: 00586
Ref: 545/05
Date: 15 July 2005:15:36:22
Version: 1
Title: Gentoo - Two Security Advisories
Abstract: 1. pam_ldap and nss_ldap: Plain text authentication leak [GLSA 200507-13], 2. Mozilla Firefox: Multiple vulnerabilities [GLSA 200507-14]
Vendors affected: Gentoo
Operating systems affected: Gentoo
Applications affected: Gentoo
Title
=====
Gentoo - Two Security Advisories:
1. pam_ldap and nss_ldap: Plain text authentication leak [GLSA 200507-13]
2. Mozilla Firefox: Multiple vulnerabilities [GLSA 200507-14]
Detail
======
Security advisory summaries:
1. pam_ldap and nss_ldap fail to restart TLS when following a referral,
possibly leading to credentials being sent in plain text.
2. Several vulnerabilities in Mozilla Firefox allow attacks ranging from
execution of script code with elevated privileges to information leak.
Security advisory content follows:
1.
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Gentoo Linux Security Advisory GLSA 200507-13
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http://security.gentoo.org/
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Severity: Normal
Title: pam_ldap and nss_ldap: Plain text authentication leak
Date: July 14, 2005
Bugs: #96767
ID: 200507-13
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Synopsis
========
pam_ldap and nss_ldap fail to restart TLS when following a referral,
possibly leading to credentials being sent in plain text.
Background
==========
pam_ldap is a Pluggable Authentication Module which allows
authentication against an LDAP directory. nss_ldap is a Name Service
Switch module which allows 'passwd', 'group' and 'host' database
information to be pulled from LDAP. TLS is Transport Layer Security, a
protocol that allows encryption of network communications.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-auth/nss_ldap < 239-r1 >= 239-r1
*>= 226-r1
2 sys-auth/pam_ldap < 178-r1 >= 178-r1
-------------------------------------------------------------------
2 affected packages on all of their supported architectures.
-------------------------------------------------------------------
Description
===========
Rob Holland of the Gentoo Security Audit Team discovered that pam_ldap
and nss_ldap fail to use TLS for referred connections if they are
referred to a master after connecting to a slave, regardless of the
"ssl start_tls" ldap.conf setting.
Impact
======
An attacker could sniff passwords or other sensitive information as the
communication is not encrypted.
Workaround
==========
pam_ldap and nss_ldap can be set to force the use of SSL instead of
TLS.
Resolution
==========
All pam_ldap users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-auth/pam_ldap-178-r1"
All nss_ldap users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose sys-auth/nss_ldap
References
==========
[ 1 ] CAN-2005-2069
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2069
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200507-13.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
2.
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Gentoo Linux Security Advisory GLSA 200507-14
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http://security.gentoo.org/
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Severity: Normal
Title: Mozilla Firefox: Multiple vulnerabilities
Date: July 15, 2005
Bugs: #95199
ID: 200507-14
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Synopsis
========
Several vulnerabilities in Mozilla Firefox allow attacks ranging from
execution of script code with elevated privileges to information leak.
Background
==========
Mozilla Firefox is the next-generation web browser from the Mozilla
project.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-client/mozilla-firefox < 1.0.5 >= 1.0.5
2 www-client/mozilla-firefox-bin < 1.0.5 >= 1.0.5
-------------------------------------------------------------------
2 affected packages on all of their supported architectures.
-------------------------------------------------------------------
Description
===========
The following vulnerabilities were found and fixed in Mozilla Firefox:
* "moz_bug_r_a4" and "shutdown" discovered that Firefox was
improperly cloning base objects (MFSA 2005-56).
* Michael Krax reported that Firefox was not correctly handling
JavaScript URLs from external applications (MFSA 2005-53), and that
the "Set as wallpaper" function in versions 1.0.3 and 1.0.4 could be
abused to load JavaScript (MFSA 2005-47).
* Several researchers reported ways to trick Firefox into accepting
events generated by web content (MFSA 2005-45).
* Kohei Yoshino discovered a new way to inject script from the
sidebar panel using data: (MFSA 2005-49).
* "moz_bug_r_a4" reported that Firefox failed to validate XHTML DOM
nodes properly (MFSA 2005-55), and that XBL scripts ran even when
Javascript is disabled (MFSA 2005-46).
* "shutdown" discovered a possibly exploitable crash in
InstallVersion.compareTo (MFSA 2005-50).
* Finally, Secunia discovered that a child frame can call top.focus()
even if the framing page comes from a different origin and has
overridden the focus() routine (MFSA 2005-52), and that the frame
injection spoofing bug fixed in 1.0.2 was mistakenly reintroduced in
1.0.3 and 1.0.4 (MFSA 2005-51).
Impact
======
A remote attacker could craft malicious web pages that would leverage
these issues to inject and execute arbitrary script code with elevated
privileges, steal cookies or other information from web pages, or spoof
content.
Workaround
==========
There are no known workarounds for all the issues at this time.
Resolution
==========
All Mozilla Firefox users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/mozilla-firefox-1.0.5"
All Mozilla Firefox binary users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose
">=www-client/mozilla-firefox-bin-1.0.5"
References
==========
[ 1 ] Mozilla Foundation Security Advisories
http://www.mozilla.org/projects/security/known-vulnerabilities.html#Firefox
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200507-14.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