Moderate CentOS nss Security Update
|nss-3.19.1-1.el5_11.i386.rpm, nss-3.19.1-1.el5_11.src.rpm, nss-3.19.1-1.el5_11.x86_64.rpm, nss-devel-3.19.1-1.el5_11.i386.rpm, nss-devel-3.19.1-1.el5_11.x86_64.rpm, nss-pkcs11-devel-3.19.1-1.el5_11.i386.rpm, nss-pkcs11-devel-3.19.1-1.el5_11.x86_64.rpm, nss-tools-3.19.1-1.el5_11.i386.rpm, nss-tools-3.19.1-1.el5_11.x86_64.rpm|
Moderate CentOS nss-softokn Security Update
Moderate CentOS nss-util Security Update
Updated nss packages that fix two security issues, several bugs, and add
various enhancements are now available for Red Hat Enterprise Linux 5.
Red Hat Product Security has rated this update as having Moderate security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.
Network Security Services (NSS) is a set of libraries designed to support
cross-platform development of security-enabled client and server
It was found that NSS permitted skipping of the ServerKeyExchange packet
during a handshake involving ECDHE (Elliptic Curve Diffie-Hellman key
Exchange). A remote attacker could use this flaw to bypass the
forward-secrecy of a TLS/SSL connection. (CVE-2015-2721)
A flaw was found in the way NSS verified certain ECDSA (Elliptic Curve
Digital Signature Algorithm) signatures. Under certain conditions, an
attacker could use this flaw to conduct signature forgery attacks.
Red Hat would like to thank the Mozilla project for reporting this issue.
Upstream acknowledges Karthikeyan Bhargavan as the original reporter of
CVE-2015-2721, and Watson Ladd as the original reporter of CVE-2015-2730.
The nss packages have been upgraded to upstream version 3.19.1, which
provides a number of bug fixes and enhancements over the previous version.
All nss users are advised to upgrade to these updated packages, which
correct these issues.
Please see https://www.redhat.com/footer/terms-of-use.html
Am I vulnerable?
The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.
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Affected package information