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Red Hat Security Advisory 2012-1090-01

Red Hat Security Advisory 2012-1090-01
Posted Jul 17, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1090-01 - Network Security Services is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Netscape Portable Runtime provides platform independence for non-GUI operating system facilities. A flaw was found in the way the ASN.1 decoder in NSS handled zero length items. This flaw could cause the decoder to incorrectly skip or replace certain items with a default value, or could cause an application to crash if, for example, it received a specially-crafted OCSP response.

tags | advisory
systems | linux, redhat
advisories | CVE-2012-0441
SHA-256 | 39c19044934dc07eaf2ccda4a7067b0b643c2cc6a9cc89a40b7f6f5157c495f1

Red Hat Security Advisory 2012-1090-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: nss and nspr security, bug fix, and enhancement update
Advisory ID: RHSA-2012:1090-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1090.html
Issue date: 2012-07-17
CVE Names: CVE-2012-0441
=====================================================================

1. Summary:

Updated nss and nspr packages that fix two security issues, several bugs,
and add various enhancements are now available for Red Hat
Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

3. Description:

Network Security Services (NSS) is a set of libraries designed to support
the cross-platform development of security-enabled client and server
applications. Netscape Portable Runtime (NSPR) provides platform
independence for non-GUI operating system facilities.

A flaw was found in the way the ASN.1 (Abstract Syntax Notation One)
decoder in NSS handled zero length items. This flaw could cause the decoder
to incorrectly skip or replace certain items with a default value, or could
cause an application to crash if, for example, it received a
specially-crafted OCSP (Online Certificate Status Protocol) response.
(CVE-2012-0441)

It was found that a Certificate Authority (CA) issued a subordinate CA
certificate to its customer, that could be used to issue certificates for
any name. This update renders the subordinate CA certificate as untrusted.
(BZ#798533)

Note: The BZ#798533 fix only applies to applications using the NSS Builtin
Object Token. It does not render the certificates untrusted for
applications that use the NSS library, but do not use the NSS Builtin
Object Token.

In addition, the nspr package has been upgraded to upstream version 4.9.1,
and the nss package has been upgraded to upstream version 3.13.5. These
updates provide a number of bug fixes and enhancements over the previous
versions. (BZ#834220, BZ#834219)

All NSS and NSPR users should upgrade to these updated packages, which
correct these issues and add these enhancements. After installing the
update, applications using NSS and NSPR must be restarted for the changes
to take effect.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

798533 - nss: Distrust MITM subCAs issued by TrustWave
827833 - CVE-2012-0441 nss: NSS parsing errors with zero length items
834219 - Update RHEL 5.x to NSS 3.13.5 and NSPR 4.9.1 for Mozilla 10.0.6
834220 - Update RHEL 5.x to NSPR 4.9.1 for Mozilla 10.0.6

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/nspr-4.9.1-4.el5_8.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/nss-3.13.5-4.el5_8.src.rpm

i386:
nspr-4.9.1-4.el5_8.i386.rpm
nspr-debuginfo-4.9.1-4.el5_8.i386.rpm
nss-3.13.5-4.el5_8.i386.rpm
nss-debuginfo-3.13.5-4.el5_8.i386.rpm
nss-tools-3.13.5-4.el5_8.i386.rpm

x86_64:
nspr-4.9.1-4.el5_8.i386.rpm
nspr-4.9.1-4.el5_8.x86_64.rpm
nspr-debuginfo-4.9.1-4.el5_8.i386.rpm
nspr-debuginfo-4.9.1-4.el5_8.x86_64.rpm
nss-3.13.5-4.el5_8.i386.rpm
nss-3.13.5-4.el5_8.x86_64.rpm
nss-debuginfo-3.13.5-4.el5_8.i386.rpm
nss-debuginfo-3.13.5-4.el5_8.x86_64.rpm
nss-tools-3.13.5-4.el5_8.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/nspr-4.9.1-4.el5_8.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/nss-3.13.5-4.el5_8.src.rpm

i386:
nspr-debuginfo-4.9.1-4.el5_8.i386.rpm
nspr-devel-4.9.1-4.el5_8.i386.rpm
nss-debuginfo-3.13.5-4.el5_8.i386.rpm
nss-devel-3.13.5-4.el5_8.i386.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.i386.rpm

x86_64:
nspr-debuginfo-4.9.1-4.el5_8.i386.rpm
nspr-debuginfo-4.9.1-4.el5_8.x86_64.rpm
nspr-devel-4.9.1-4.el5_8.i386.rpm
nspr-devel-4.9.1-4.el5_8.x86_64.rpm
nss-debuginfo-3.13.5-4.el5_8.i386.rpm
nss-debuginfo-3.13.5-4.el5_8.x86_64.rpm
nss-devel-3.13.5-4.el5_8.i386.rpm
nss-devel-3.13.5-4.el5_8.x86_64.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.i386.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/nspr-4.9.1-4.el5_8.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/nss-3.13.5-4.el5_8.src.rpm

i386:
nspr-4.9.1-4.el5_8.i386.rpm
nspr-debuginfo-4.9.1-4.el5_8.i386.rpm
nspr-devel-4.9.1-4.el5_8.i386.rpm
nss-3.13.5-4.el5_8.i386.rpm
nss-debuginfo-3.13.5-4.el5_8.i386.rpm
nss-devel-3.13.5-4.el5_8.i386.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.i386.rpm
nss-tools-3.13.5-4.el5_8.i386.rpm

ia64:
nspr-4.9.1-4.el5_8.i386.rpm
nspr-4.9.1-4.el5_8.ia64.rpm
nspr-debuginfo-4.9.1-4.el5_8.i386.rpm
nspr-debuginfo-4.9.1-4.el5_8.ia64.rpm
nspr-devel-4.9.1-4.el5_8.ia64.rpm
nss-3.13.5-4.el5_8.i386.rpm
nss-3.13.5-4.el5_8.ia64.rpm
nss-debuginfo-3.13.5-4.el5_8.i386.rpm
nss-debuginfo-3.13.5-4.el5_8.ia64.rpm
nss-devel-3.13.5-4.el5_8.ia64.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.ia64.rpm
nss-tools-3.13.5-4.el5_8.ia64.rpm

ppc:
nspr-4.9.1-4.el5_8.ppc.rpm
nspr-4.9.1-4.el5_8.ppc64.rpm
nspr-debuginfo-4.9.1-4.el5_8.ppc.rpm
nspr-debuginfo-4.9.1-4.el5_8.ppc64.rpm
nspr-devel-4.9.1-4.el5_8.ppc.rpm
nspr-devel-4.9.1-4.el5_8.ppc64.rpm
nss-3.13.5-4.el5_8.ppc.rpm
nss-3.13.5-4.el5_8.ppc64.rpm
nss-debuginfo-3.13.5-4.el5_8.ppc.rpm
nss-debuginfo-3.13.5-4.el5_8.ppc64.rpm
nss-devel-3.13.5-4.el5_8.ppc.rpm
nss-devel-3.13.5-4.el5_8.ppc64.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.ppc.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.ppc64.rpm
nss-tools-3.13.5-4.el5_8.ppc.rpm

s390x:
nspr-4.9.1-4.el5_8.s390.rpm
nspr-4.9.1-4.el5_8.s390x.rpm
nspr-debuginfo-4.9.1-4.el5_8.s390.rpm
nspr-debuginfo-4.9.1-4.el5_8.s390x.rpm
nspr-devel-4.9.1-4.el5_8.s390.rpm
nspr-devel-4.9.1-4.el5_8.s390x.rpm
nss-3.13.5-4.el5_8.s390.rpm
nss-3.13.5-4.el5_8.s390x.rpm
nss-debuginfo-3.13.5-4.el5_8.s390.rpm
nss-debuginfo-3.13.5-4.el5_8.s390x.rpm
nss-devel-3.13.5-4.el5_8.s390.rpm
nss-devel-3.13.5-4.el5_8.s390x.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.s390.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.s390x.rpm
nss-tools-3.13.5-4.el5_8.s390x.rpm

x86_64:
nspr-4.9.1-4.el5_8.i386.rpm
nspr-4.9.1-4.el5_8.x86_64.rpm
nspr-debuginfo-4.9.1-4.el5_8.i386.rpm
nspr-debuginfo-4.9.1-4.el5_8.x86_64.rpm
nspr-devel-4.9.1-4.el5_8.i386.rpm
nspr-devel-4.9.1-4.el5_8.x86_64.rpm
nss-3.13.5-4.el5_8.i386.rpm
nss-3.13.5-4.el5_8.x86_64.rpm
nss-debuginfo-3.13.5-4.el5_8.i386.rpm
nss-debuginfo-3.13.5-4.el5_8.x86_64.rpm
nss-devel-3.13.5-4.el5_8.i386.rpm
nss-devel-3.13.5-4.el5_8.x86_64.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.i386.rpm
nss-pkcs11-devel-3.13.5-4.el5_8.x86_64.rpm
nss-tools-3.13.5-4.el5_8.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2012-0441.html
https://access.redhat.com/security/updates/classification/#moderate
http://www.mozilla.org/security/announce/2012/mfsa2012-39.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2012 Red Hat, Inc.
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