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CentOS Update for nss-util CESA-2014:0917 centos6

Information

Severity

Severity

Critical

Family

Family

CentOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

3 years ago

Summary

The remote host is missing an update for the 'nss-util' package(s) announced via the referenced advisory.

Insight

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. A race condition was found in the way NSS verified certain certificates. A remote attacker could use this flaw to crash an application using NSS or, possibly, execute arbitrary code with the privileges of the user running that application. (CVE-2014-1544) A flaw was found in the way TLS False Start was implemented in NSS. An attacker could use this flaw to potentially return unencrypted information from the server. (CVE-2013-1740) A race condition was found in the way NSS implemented session ticket handling as specified by RFC 5077. An attacker could use this flaw to crash an application using NSS or, in rare cases, execute arbitrary code with the privileges of the user running that application. (CVE-2014-1490) It was found that NSS accepted weak Diffie-Hellman Key exchange (DHKE) parameters. This could possibly lead to weak encryption being used in communication between the client and the server. (CVE-2014-1491) An out-of-bounds write flaw was found in NSPR. A remote attacker could potentially use this flaw to crash an application using NSPR or, possibly, execute arbitrary code with the privileges of the user running that application. This NSPR flaw was not exposed to web content in any shipped version of Firefox. (CVE-2014-1545) It was found that the implementation of Internationalizing Domain Names in Applications (IDNA) hostname matching in NSS did not follow the RFC 6125 recommendations. This could lead to certain invalid certificates with international characters to be accepted as valid. (CVE-2014-1492) Red Hat would like to thank the Mozilla project for reporting the CVE-2014-1544, CVE-2014-1490, CVE-2014-1491, and CVE-2014-1545 issues. Upstream acknowledges Tyson Smith and Jesse Schwartzentruber as the original reporters of CVE-2014-1544, Brian Smith as the original reporter of CVE-2014-1490, Antoine Delignat-Lavaud and Karthikeyan Bhargavan as the original reporters of CVE-2014-1491, and Abhishek Arya as the original reporter of CVE-2014-1545. In addition, the nss package has been upgraded to upstream version 3.16.1, and the nspr package has been upgraded to upstream version 4.10.6. These updated packages provide a number of bug fixes and enhancements over the previous versions. (BZ#1112136, BZ#1112135) Users of NSS and NSPR are advised to upgrade to these updated packages, which correct these issues and add these enhancements. After installing this update, applications using NSS or NSPR must be restarted for this update to take effect.

Affected Software

Affected Software

nss-util on CentOS 6

Solution

Solution

Please install the updated packages.