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Amazon Linux AMI : git (ALAS-2017-842)

high Nessus Plugin ID 100643

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Synopsis

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

Description

Escape out of git-shell

A flaw was found in the way git-shell handled command-line options for the restricted set of git-shell commands. A remote authenticated attacker could use this flaw to bypass git-shell restrictions, to view and manipulate files, by abusing the instance of the less command launched using crafted command-line options. (CVE-2017-8386)

Solution

Run 'yum update git' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-842.html

Plugin Details

Severity: High

ID: 100643

File Name: ala_ALAS-2017-842.nasl

Version: 3.4

Type: local

Agent: unix

Published: 6/7/2017

Updated: 4/18/2018

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.5

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

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:git-p4, p-cpe:/a:amazon:linux:git, p-cpe:/a:amazon:linux:git-daemon, p-cpe:/a:amazon:linux:perl-git, p-cpe:/a:amazon:linux:git-svn, p-cpe:/a:amazon:linux:git-cvs, p-cpe:/a:amazon:linux:gitweb, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:git-all, p-cpe:/a:amazon:linux:emacs-git-el, p-cpe:/a:amazon:linux:git-debuginfo, p-cpe:/a:amazon:linux:git-hg, p-cpe:/a:amazon:linux:emacs-git, p-cpe:/a:amazon:linux:git-bzr, p-cpe:/a:amazon:linux:perl-git-svn, p-cpe:/a:amazon:linux:git-email

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

Patch Publication Date: 6/6/2017

Reference Information

CVE: CVE-2017-8386

ALAS: 2017-842