Oracle Linux 6 / 7 : nss (ELSA-2016-0007) (SLOTH)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

From Red Hat Security Advisory 2016:0007 :

Updated nss packages that fix one security issue are now available for
Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Moderate
security impact. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available from the
CVE link in the References section.

Network Security Services (NSS) is a set of libraries designed to
support the cross-platform development of security-enabled client and
server applications.

A flaw was found in the way TLS 1.2 could use the MD5 hash function
for signing ServerKeyExchange and Client Authentication packets during
a TLS handshake. A man-in-the-middle attacker able to force a TLS
connection to use the MD5 hash function could use this flaw to conduct
collision attacks to impersonate a TLS server or an authenticated TLS
client. (CVE-2015-7575)

All nss users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. For the update to
take effect, all services linked to the NSS library must be restarted,
or the system rebooted.

See also :

https://oss.oracle.com/pipermail/el-errata/2016-January/005662.html
https://oss.oracle.com/pipermail/el-errata/2016-January/005666.html

Solution :

Update the affected nss packages.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N)
CVSS Temporal Score : 3.7
(CVSS2#E:U/RL:ND/RC:C)
Public Exploit Available : false

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 87794 ()

Bugtraq ID:

CVE ID: CVE-2015-7575

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