CentOS Update for nss CESA-2016:2779 centos6

Published: 2016-11-20 04:37:26
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C

Detection Type:
Linux Distribution Package

Detection Method:
Checks if a vulnerable version is present on the target host.

Technical Details:
Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. The nss-util Linux Distribution Packages provide utilities for use with the Network Security Services (NSS) libraries. The following Linux Distribution Packages have been upgraded to a newer upstream version: nss (3.12.3), nss-util (3.12.3). Security Fix(es): * Multiple buffer handling flaws were found in the way NSS handled cryptographic data from the network. A remote attacker could use these flaws to crash an application using NSS or, possibly, execute arbitrary code with the permission of the user running the application. (CVE-2016-2834) * A NULL pointer dereference flaw was found in the way NSS handled invalid Diffie-Hellman keys. A remote client could use this flaw to crash a TLS/SSL server using NSS. (CVE-2016-5285) * It was found that Diffie Hellman Client key exchange handling in NSS was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group. (CVE-2016-8635) Red Hat would like to thank the Mozilla project for reporting CVE-2016-2834. The CVE-2016-8635 issue was discovered by Hubert Kario (Red Hat). Upstream acknowledges Tyson Smith and Jed Davis as the original reporter of CVE-2016-2834.

Affected Versions:
nss on CentOS 6

Recommendations:
Please Install the Updated Packages.

Summary:
Check for the Version of nss

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2016-2834
https://nvd.nist.gov/vuln/detail/CVE-2016-5285
https://nvd.nist.gov/vuln/detail/CVE-2016-8635

References:

http://lists.centos.org/pipermail/centos-announce/2016-November/022152.html

Severity
High
CVSS Score
9.3
Published
2016-11-20
Modified
2019-03-08
Category
CentOS Local Security Checks

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