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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:0973
The remote host is missing updates announced in
advisory RHSA-2012:0973.

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.

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.

Note: This 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.

The nspr package has been upgraded to upstream version 4.9, which provides
a number of bug fixes and enhancements over the previous version.

The nss-util package has been upgraded to upstream version 3.13.3, which
provides a number of bug fixes and enhancements over the previous version.

The nss package has been upgraded to upstream version 3.13.3, which
provides numerous bug fixes and enhancements over the previous version. In
particular, SSL 2.0 is now disabled by default, support for SHA-224 has
been added, PORT_ErrorToString and PORT_ErrorToName now return the error
message and symbolic name of an NSS error code, and NSS_GetVersion now
returns the NSS version string. (BZ#744070)

These updated nss, nss-util, and nspr packages also provide fixes for the
following bugs:

* A PEM module internal function did not clean up memory when detecting a
non-existent file name. Consequently, memory leaks in client code occurred.
The code has been improved to deallocate such temporary objects and as a
result the reported memory leakage is gone. (BZ#746632)

* Recent changes to NSS re-introduced a problem where applications could
not use multiple SSL client certificates in the same process. Therefore,
any attempt to run commands that worked with multiple SSL client
certificates, such as the yum repolist command, resulted in a
re-negotiation handshake failure. With this update, a revised patch
correcting this problem has been applied to NSS, and using multiple SSL
client certificates in the same process is now possible again. (BZ#761086)

* The PEM module did not fully initialize newly constructed objects with
function pointers set to NULL. Consequently, a segmentation violation in
libcurl was sometimes experienced while accessing a package repository.
With this update, the code has been changed to fully initialize newly
allocated objects. As a result, updates can now be installed without
problems. (BZ#768669)

* A lack-of-robustness flaw caused the administration server for Red Hat
Directory Server to terminate unexpectedly because the mod_nss module made
nss calls before initializing nss as per the documented API. With this
update, nss protects itself against being called before it has been
properly initialized by the caller. (BZ#784674)

* Compilation errors occurred with some compilers when compiling code
against NSS 3.13.1. The following error message was displayed:

pkcs11n.h:365:26: warning: __GNUC_MINOR is not defined

An upstream patch has been applied to improve the code and the problem no
longer occurs. (BZ#795693)

* Unexpected terminations were reported in the messaging daemon (qpidd)
included in Red Hat Enterprise MRG after a recent update to nss. This
occurred because qpidd made nss calls before initializing nss. These
updated packages prevent qpidd and other affected processes that call nss
without initializing as mandated by the API from crashing. (BZ#797426)

Users of NSS, NSPR, and nss-util are advised to upgrade to these updated
packages, which fix these issues and add these enhancements. After
installing this update, applications using NSS, NSPR, or nss-util must be
restarted for this update to take effect.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Medium

CopyrightCopyright (c) 2012 E-Soft Inc.

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