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Red Hat: RHSA-2014:1371-01 Important: nss RSA Forgery Risk

red hat
Calendar Grey October 10, 2014
Scroller Redhat
Crucial NSS patch released to rectify a vulnerability in Red Hat Enterprise Linux affecting RSA certificate efficacy.
Updated nss packages that fix one security issue are now available for Red Hat Enterprise Linux 4 Extended Life Cycle Support, Red Hat Enterprise Linux 5.6 Long Life, Red Hat Enter...

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/articles/11258

Summary

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 NSS parsed ASN.1 (Abstract Syntax Notation One) input from certain RSA signatures. A remote attacker could use this flaw to forge RSA certificates by providing a specially crafted signature to an application using NSS. (CVE-2014-1568)
Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Antoine Delignat-Lavaud and Intel Product Security Incident Response Team as the original reporters.
All NSS users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing this update, applications using NSS must be restarted for this update to take effect.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux important nss update RSA forgery

References

https://access.redhat.com/security/cve/CVE-2014-1568 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AS (v. 4 ELS):
Source: nss-3.12.10-10.el4.src.rpm
i386: nss-3.12.10-10.el4.i386.rpm nss-debuginfo-3.12.10-10.el4.i386.rpm nss-devel-3.12.10-10.el4.i386.rpm nss-tools-3.12.10-10.el4.i386.rpm
ia64: nss-3.12.10-10.el4.i386.rpm nss-3.12.10-10.el4.ia64.rpm nss-debuginfo-3.12.10-10.el4.i386.rpm nss-debuginfo-3.12.10-10.el4.ia64.rpm nss-devel-3.12.10-10.el4.ia64.rpm nss-tools-3.12.10-10.el4.ia64.rpm
x86_64: nss-3.12.10-10.el4.i386.rpm nss-3.12.10-10.el4.x86_64.rpm nss-debuginfo-3.12.10-10.el4.i386.rpm nss-debuginfo-3.12.10-10.el4.x86_64.rpm nss-devel-3.12.10-10.el4.x86_64.rpm nss-tools-3.12.10-10.el4.x86_64.rpm
Red Hat Enterprise Linux ES (v. 4 ELS):
Source: nss-3.12.10-10.el4.src.rpm
i386: nss-3.12.10-10.el4.i386.rpm nss-debuginfo-3.12.10-10.el4.i386.rpm nss-devel-3.12.10-10.el4.i386.rpm nss-tools-3.12.10-10.el4.i386.rpm
x86_64: nss-3.12.10-10.el4.i386.rpm nss-3.12.10-10.el4.x86_64.rpm nss-debuginfo-3.12.10-10.el4.i386.rpm nss-debuginfo-3.12.10-10.el4.x86_64.rpm nss-devel-3.12.10-10.el4.x86_64.rpm nss-tools-3.12.10-10.el4.x86_64.rpm
Red Hat Enterprise Linux LL (v. 5.6 server):
Source: nss-3.12.8-10.el5_6.src.rpm
i386: nss-3.12.8-10.el5_6.i386.rpm nss-debuginfo-3.12.8-10.el5_6.i386.rpm nss-devel-3.12.8-10.el5_6.i386.rpm

Read the Full Advisory


Severity
important
Lowest
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Medium
High
Critical

Advisory ID: RHSA-2014:1371-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2014:1371.html
Issue date: 2014-10-10

Topic

Updated nss packages that fix one security issue are now available for RedHat Enterprise Linux 4 Extended Life Cycle Support, Red Hat EnterpriseLinux 5.6 Long Life, Red Hat Enterprise Linux 5.9 Extended Update Support,Red Hat Enterprise Linux 6.2 Advanced Update Support, and Red HatEnterprise Linux 6.4 Extended Update Support.Red Hat Product Security has rated this update as having Important securityimpact. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available from the CVE link in theReferences section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux important nss update RSA forgery

Relevant Releases Architectures

Red Hat Enterprise Linux AS (v. 4 ELS) - i386, ia64, x86_64

Red Hat Enterprise Linux AUS (v. 6.2 server) - x86_64

Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.4) - x86_64

Red Hat Enterprise Linux ES (v. 4 ELS) - i386, x86_64

Red Hat Enterprise Linux EUS (v. 5.9 server) - i386, ia64, ppc, s390x, x86_64

Red Hat Enterprise Linux HPC Node EUS (v. 6.4) - x86_64

Red Hat Enterprise Linux LL (v. 5.6 server) - i386, ia64, x86_64

Red Hat Enterprise Linux Server EUS (v. 6.4) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 6.2) - x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 6.4) - i386, ppc64, s390x, x86_64

Bugs Fixed

1145429 - CVE-2014-1568 nss: RSA PKCS#1 signature verification forgery flaw (MFSA 2014-73)

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