Oracle Linux 6 / 7 : nss / nss-util (ELSA-2017-1100)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

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

Description :

From Red Hat Security Advisory 2017:1100 :

An update for nss and nss-util is now available for Red Hat Enterprise
Linux 6 and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security
impact of Critical. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) 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.

The nss-util packages provide utilities for use with the Network
Security Services (NSS) libraries.

The following packages have been upgraded to a newer upstream version:
nss (3.28.4), nss-util (3.28.4).

Security Fix(es) :

* An out-of-bounds write flaw was found in the way NSS performed
certain Base64-decoding operations. An attacker could use this flaw to
create a specially crafted certificate which, when parsed by NSS,
could cause it to crash or execute arbitrary code, using the
permissions of the user running an application compiled against the
NSS library. (CVE-2017-5461)

Red Hat would like to thank the Mozilla project for reporting this
issue. Upstream acknowledges Ronald Crane as the original reporter.

See also :

https://oss.oracle.com/pipermail/el-errata/2017-April/006873.html
https://oss.oracle.com/pipermail/el-errata/2017-April/006877.html

Solution :

Update the affected nss and / or nss-util packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 99562 ()

Bugtraq ID:

CVE ID: CVE-2017-5461

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