NetSight
high8.1

CVE-2019-3878

A vulnerability was found in mod_auth_mellon before v0.14.2.

Impact

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.

Affected products

VendorProductAffected versions
Mod Auth Mellon ProjectMod Auth Mellon
before 0.14.2
FedoraprojectFedora
Versions 29, 30
RedhatEnterprise Linux
Version 7.0
RedhatEnterprise Linux Desktop
Version 7.0
RedhatEnterprise Linux Server
Version 7.0
RedhatEnterprise Linux Server Aus
Version 7.6
RedhatEnterprise Linux Server Eus
Version 7.6
RedhatEnterprise Linux Server Tus
Version 7.6
RedhatEnterprise Linux Workstation
Version 7.0
CanonicalUbuntu Linux
Versions 18.04, 18.10

Weakness classification

References