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Authentication Bypass by Primary Weakness Affecting httpd24-mod_ldap package, versions <0:2.4.34-7.el7.1

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.95% (83rd percentile)

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  • Snyk IDSNYK-RHEL7-HTTPD24MODLDAP-4760347
  • published26 Jul 2021
  • disclosed10 May 2018
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Introduced: 10 May 2018

CVE-2019-3878  (opens in a new tab)
CWE-305  (opens in a new tab)

How to fix?

Upgrade RHEL:7 httpd24-mod_ldap to version 0:2.4.34-7.el7.1 or higher.
This issue was patched in RHSA-2019:0746.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd24-mod_ldap package and not the httpd24-mod_ldap package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A vulnerability was found in mod_auth_mellon before v0.14.2. If Apache is configured as a reverse proxy and mod_auth_mellon is configured to only let through authenticated users (with the require valid-user directive), adding special HTTP headers that are normally used to start the special SAML ECP (non-browser based) can be used to bypass authentication.

References