Amazon Linux AMI : nss / nss-util (ALAS-2017-825)

High Nessus Plugin ID 99713

Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

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)

Upstream acknowledges Ronald Crane as the original reporter.

Solution

Run 'yum update nss' to update your system.

Run 'yum update nss-util' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-825.html

Plugin Details

Severity: High

ID: 99713

File Name: ala_ALAS-2017-825.nasl

Version: 3.4

Type: local

Agent: unix

Published: 2017/04/28

Updated: 2018/04/18

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

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

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:nss, p-cpe:/a:amazon:linux:nss-debuginfo, p-cpe:/a:amazon:linux:nss-devel, p-cpe:/a:amazon:linux:nss-pkcs11-devel, p-cpe:/a:amazon:linux:nss-sysinit, p-cpe:/a:amazon:linux:nss-tools, p-cpe:/a:amazon:linux:nss-util, p-cpe:/a:amazon:linux:nss-util-debuginfo, p-cpe:/a:amazon:linux:nss-util-devel, cpe:/o:amazon:linux

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

Patch Publication Date: 2017/04/27

Reference Information

CVE: CVE-2017-5461

ALAS: 2017-825

RHSA: 2017:1100