SUSE SLES12 Security Update : apache2 (SUSE-SU-2016:2090-1) (httpoxy)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.

Synopsis :

The remote SUSE host is missing one or more security updates.

Description :

This update for apache2 fixes the following issues :

- It used to be possible to set an arbitrary $HTTP_PROXY
environment variable for request handlers -- like CGI
scripts -- by including a specially crafted HTTP header
in the request (CVE-2016-5387). As a result, these
server components would potentially direct all their
outgoing HTTP traffic through a malicious proxy server.
This patch fixes the issue: the updated Apache server
ignores such HTTP headers and never sets $HTTP_PROXY for
sub-processes (unless a value has been explicitly
configured by the administrator in the configuration
file). (bsc#988488)

- Ignore SIGINT signal in child processes. This fixes a
race condition in signals handling when httpd is running
on foreground and the user hits ctrl+c. (bsc#970391)

- Don't put the backend in error state (by default) when
500/503 is overridden. (bsc#951692)

- Remove obsolete /usr/share/apache2/rc.apache2 sample
script. (bsc#973381)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

Solution :

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server for SAP 12:zypper in -t patch

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch

To bring your system up-to-date, use 'zypper patch'.

Risk factor :

Medium / CVSS Base Score : 5.1
CVSS Temporal Score : 4.2
Public Exploit Available : true

Family: SuSE Local Security Checks

Nessus Plugin ID: 93295 ()

Bugtraq ID:

CVE ID: CVE-2016-5387

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