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Vulnerability of mod_auth_openidc: open redirect via Logout Backslashes Url

Synthesis of the vulnerability 

An attacker can deceive the user via Logout Backslashes Url of mod_auth_openidc, in order to redirect him to a malicious site.
Impacted software: Debian, Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this computer vulnerability: 1/4.
Creation date: 28/10/2019.
Références of this announce: CVE-2019-14857, DLA-1996-1, FEDORA-2019-23638d42f3, FEDORA-2019-7b06f18a10, openSUSE-SU-2019:2499-1, SUSE-SU-2019:2934-1, SUSE-SU-2019:2935-1, VIGILANCE-VUL-30724.

Description of the vulnerability 

An attacker can deceive the user via Logout Backslashes Url of mod_auth_openidc, in order to redirect him to a malicious site.
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This cybersecurity note impacts software or systems such as Debian, Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer weakness announce is low.

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

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

Solutions for this threat 

Debian 8: new libapache2-mod-auth-openidc packages.
New packages are available:
  Debian 8: libapache2-mod-auth-openidc 1.6.0-1+deb8u2

Fedora: new mod_auth_openidc packages.
New packages are available:
  Fedora 29: mod_auth_openidc 2.4.0.3-1.fc29
  Fedora 30: mod_auth_openidc 2.4.0.3-1.fc30

openSUSE Leap 15.1: new apache2-mod_auth_openidc packages.
New packages are available:
  openSUSE Leap 15.1: apache2-mod_auth_openidc 2.3.8-lp151.2.3.1

SUSE LE 12 SP4: new apache2-mod_auth_openidc packages.
New packages are available:
  SUSE LE 12 SP4: apache2-mod_auth_openidc 2.4.0-3.7.1

SUSE LE 15 SP1: new apache2-mod_auth_openidc packages.
New packages are available:
  SUSE LE 15 SP1: apache2-mod_auth_openidc 2.3.8-3.3.1
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