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Vulnerability of Apache httpd mod_ssl: privilege escalation via Per-location Client Certificate

Synthesis of the vulnerability 

An attacker can bypass restrictions via Per-location Client Certificate of Apache httpd mod_ssl, in order to escalate his privileges.
Vulnerable software: Apache httpd, Apache httpd Modules ~ not comprehensive, Fedora, Solaris.
Severity of this announce: 2/4.
Creation date: 02/04/2019.
Références of this computer vulnerability: bulletinapr2019, CERTFR-2019-AVI-141, CVE-2019-0215, FEDORA-2019-a4ed7400f4, VIGILANCE-VUL-28915.

Description of the vulnerability 

An attacker can bypass restrictions via Per-location Client Certificate of Apache httpd mod_ssl, in order to escalate his privileges.
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This security note impacts software or systems such as Apache httpd, Apache httpd Modules ~ not comprehensive, Fedora, Solaris.

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

The trust level is of type confirmed by the editor, with an origin of user account.

An attacker with a expert ability can exploit this computer weakness announce.

Solutions for this threat 

Apache httpd: version 2.4.39.
The version 2.4.39 is fixed:
  https://httpd.apache.org/download.cgi

Fedora 28: new httpd packages.
New packages are available:
  Fedora 28: httpd 2.4.39-1.1.fc28

Oracle Solaris: patch for third party software of April 2019 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1
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