Amazon Linux AMI : nss (ALAS-2017-911)

high Nessus Plugin ID 103824
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Synopsis

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

Description

Potential use-after-free in TLS 1.2 server when verifying client authentication :

A use-after-free flaw was found in the TLS 1.2 implementation in the NSS library when client authentication was used. A malicious client could use this flaw to cause an application compiled against NSS to crash or, potentially, execute arbitrary code with the permission of the user running the application. (CVE-2017-7805)

Solution

Run 'yum update nss' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-911.html

Plugin Details

Severity: High

ID: 103824

File Name: ala_ALAS-2017-911.nasl

Version: 3.4

Type: local

Agent: unix

Published: 10/13/2017

Updated: 8/31/2018

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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, cpe:/o:amazon:linux

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

Patch Publication Date: 10/12/2017

Reference Information

CVE: CVE-2017-7805

ALAS: 2017-911