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Amazon Linux AMI : httpd24 / httpd (ALAS-2016-725) (httpoxy)

high Nessus Plugin ID 92472

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Synopsis

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

Description

It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request (known as the 'httpoxy' class of vulnerabilities).

Solution

Run 'yum update httpd24' to update your system.

Run 'yum update httpd' to update your system.

See Also

https://httpoxy.org/

https://alas.aws.amazon.com/ALAS-2016-725.html

Plugin Details

Severity: High

ID: 92472

File Name: ala_ALAS-2016-725.nasl

Version: 2.6

Type: local

Agent: unix

Published: 7/21/2016

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: 5.1

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

CVSS v3

Risk Factor: High

Base Score: 8.1

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:mod24_ssl, p-cpe:/a:amazon:linux:httpd24-devel, p-cpe:/a:amazon:linux:httpd-tools, p-cpe:/a:amazon:linux:httpd24-debuginfo, p-cpe:/a:amazon:linux:mod24_ldap, p-cpe:/a:amazon:linux:mod24_proxy_html, p-cpe:/a:amazon:linux:httpd24-tools, p-cpe:/a:amazon:linux:mod24_session, p-cpe:/a:amazon:linux:httpd24-manual, p-cpe:/a:amazon:linux:mod_ssl, p-cpe:/a:amazon:linux:httpd-devel, p-cpe:/a:amazon:linux:httpd-debuginfo, p-cpe:/a:amazon:linux:httpd24, p-cpe:/a:amazon:linux:httpd, p-cpe:/a:amazon:linux:httpd-manual, cpe:/o:amazon:linux

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

Patch Publication Date: 7/20/2016

Reference Information

CVE: CVE-2016-5387

ALAS: 2016-725