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Test ID:1.3.6.1.4.1.25623.1.0.871028
Category:Red Hat Local Security Checks
Title:RedHat Update for nss, nss-util, nss-softokn, and nspr RHSA-2013:1144-01
Summary:The remote host is missing an update for the 'nss, nss-util, nss-softokn, and nspr'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'nss, nss-util, nss-softokn, and nspr'
package(s) announced via the referenced advisory.

Vulnerability Insight:
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. nss-softokn provides
an NSS softoken cryptographic module.

It was discovered that NSS leaked timing information when decrypting
TLS/SSL and DTLS protocol encrypted records when CBC-mode cipher suites
were used. A remote attacker could possibly use this flaw to retrieve plain
text from the encrypted packets by using a TLS/SSL or DTLS server as a
padding oracle. (CVE-2013-1620)

An out-of-bounds memory read flaw was found in the way NSS decoded certain
certificates. If an application using NSS decoded a malformed certificate,
it could cause the application to crash. (CVE-2013-0791)

Red Hat would like to thank the Mozilla project for reporting
CVE-2013-0791. Upstream acknowledges Ambroz Bizjak as the original reporter
of CVE-2013-0791.

This update also fixes the following bugs:

* The RHBA-2013:0445 update (which upgraded NSS to version 3.14) prevented
the use of certificates that have an MD5 signature. This caused problems in
certain environments. With this update, certificates that have an MD5
signature are once again allowed. To prevent the use of certificates that
have an MD5 signature, set the 'NSS_HASH_ALG_SUPPORT' environment variable
to '-MD5'. (BZ#957603)

* Previously, the sechash.h header file was missing, preventing certain
source RPMs (such as firefox and xulrunner) from building. (BZ#948715)

* A memory leak in the nssutil_ReadSecmodDB() function has been fixed.
(BZ#984967)

In addition, the nss package has been upgraded to upstream version 3.14.3,
the nss-util package has been upgraded to upstream version 3.14.3, the
nss-softokn package has been upgraded to upstream version 3.14.3, and the
nspr package has been upgraded to upstream version 4.9.5. These updates
provide a number of bug fixes and enhancements over the previous versions.
(BZ#927157, BZ#927171, BZ#927158, BZ#927186)

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

Affected Software/OS:
nss, nss-util, nss-softokn, and nspr on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-0791
BugTraq ID: 58826
http://www.securityfocus.com/bid/58826
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17150
RedHat Security Advisories: RHSA-2013:1135
http://rhn.redhat.com/errata/RHSA-2013-1135.html
RedHat Security Advisories: RHSA-2013:1144
http://rhn.redhat.com/errata/RHSA-2013-1144.html
SuSE Security Announcement: SUSE-SU-2013:0645 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00013.html
SuSE Security Announcement: SUSE-SU-2013:0850 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00019.html
SuSE Security Announcement: openSUSE-SU-2013:0630 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.html
SuSE Security Announcement: openSUSE-SU-2013:0631 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.html
http://www.ubuntu.com/usn/USN-1791-1
Common Vulnerability Exposure (CVE) ID: CVE-2013-1620
BugTraq ID: 57777
http://www.securityfocus.com/bid/57777
BugTraq ID: 64758
http://www.securityfocus.com/bid/64758
Bugtraq: 20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities (Google Search)
http://www.securityfocus.com/archive/1/534161/100/0/threaded
http://seclists.org/fulldisclosure/2014/Dec/23
http://security.gentoo.org/glsa/glsa-201406-19.xml
http://www.isg.rhul.ac.uk/tls/TLStiming.pdf
http://openwall.com/lists/oss-security/2013/02/05/24
http://www.ubuntu.com/usn/USN-1763-1
CopyrightCopyright (c) 2013 Greenbone Networks GmbH

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