Scientific Linux Security Update : nss on SL5.x i386/x86_64

Medium Nessus Plugin ID 85623


The remote Scientific Linux host is missing one or more security updates.


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.

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.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 85623

File Name: sl_20150824_nss_on_SL5_x.nasl

Version: $Revision: 2.1 $

Type: local

Agent: unix

Published: 2015/08/25

Modified: 2015/08/25

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Vulnerability Information

CPE: x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 2015/08/24

Reference Information

CVE: CVE-2015-2721, CVE-2015-2730