The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Apache httpd: IP Address Spoofing via mod_remoteip/mod_rewrite

Synthesis of the vulnerability 

An attacker can spoof an IP address via mod_remoteip/mod_rewrite of Apache httpd, in order to deceive the victim.
Impacted systems: Apache httpd, Fedora, IBM i, Rational ClearCase, Solaris, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 2/4.
Creation date: 07/08/2020.
Références of this alert: 6327365, 6328811, bulletinjul2020, CVE-2020-11985, FEDORA-2020-0d3d3f5072, FEDORA-2020-189a1e6c3e, SUSE-SU-2020:2450-1, VIGILANCE-VUL-33035.

Description of the vulnerability 

An attacker can spoof an IP address via mod_remoteip/mod_rewrite of Apache httpd, in order to deceive the victim.
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This computer vulnerability alert impacts software or systems such as Apache httpd, Fedora, IBM i, Rational ClearCase, Solaris, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer threat alert is medium.

The trust level is of type confirmed by the editor, with an origin of internet server.

An attacker with a expert ability can exploit this security vulnerability.

Solutions for this threat 

Apache httpd: version 2.4.25.
The version 2.4.25 is fixed:
  http://apache.mediamirrors.org//httpd/httpd-2.4.25.tar.bz2

Fedora 31: new httpd packages.
New packages are available:
  Fedora 31: httpd 2.4.46-1.fc31

Fedora 32: new httpd packages.
New packages are available:
  Fedora 32: httpd 2.4.46-1.fc32

IBM i: patch for Apache HTTP Server.
A patch is indicated in information sources.

IBM Rational ClearCase: patch for IBM HTTP Server.
A patch is indicated in information sources.

Oracle Solaris: patch for third party software of July 2020 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 12: new apache2 packages.
New packages are available:
  SUSE LE 12 SP2: apache2 2.4.23-29.63.1
  SUSE LE 12 SP3: apache2 2.4.23-29.63.1
  SUSE LE 12 SP4: apache2 2.4.23-29.63.1
  SUSE LE 12 SP5: apache2 2.4.23-29.63.1
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