Oracle Linux 5 / 6 : httpd (ELSA-2016-1421) (httpoxy)

high Nessus Plugin ID 92396

Synopsis

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

Description

From Red Hat Security Advisory 2016:1421 :

An update for httpd is now available for Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es) :

* 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. (CVE-2016-5387)

Note: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable.

Red Hat would like to thank Scott Geary (VendHQ) for reporting this issue.

Solution

Update the affected httpd packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2016-July/006204.html

https://oss.oracle.com/pipermail/el-errata/2016-July/006205.html

Plugin Details

Severity: High

ID: 92396

File Name: oraclelinux_ELSA-2016-1421.nasl

Version: 2.11

Type: local

Agent: unix

Published: 7/19/2016

Updated: 1/14/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:httpd, p-cpe:/a:oracle:linux:httpd-devel, p-cpe:/a:oracle:linux:httpd-manual, p-cpe:/a:oracle:linux:httpd-tools, p-cpe:/a:oracle:linux:mod_ssl, cpe:/o:oracle:linux:5, cpe:/o:oracle:linux:6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/18/2016

Vulnerability Publication Date: 7/19/2016

Reference Information

CVE: CVE-2016-5387

RHSA: 2016:1421