CVE-2019-14857 Open redirect in mod auth openidc

Medium 5.8 Published Updated

An open redirect vulnerability in mod_auth_openidc allows attackers to redirect users to malicious sites via URLs with trailing slashes.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-14857?

CVE-2019-14857 is a medium-severity vulnerability in [UNKNOWN] mod_auth_openidc, published on 26 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw was found in mod_auth_openidc before version 2.4.0.1. An open redirect issue exists in URLs with trailing slashes similar to CVE-2019-3877 in mod_auth_mellon.

Weakness: CWE-601

Which versions are affected by CVE-2019-14857?

It affects 1 product.

Linux distribution packages (4)
apache2-mod_auth_openidc SUSE:Linux Enterprise Module for Server Applications 15 SP1All versions2.3.8-3.3.1
apache2-mod_auth_openidc SUSE:Linux Enterprise Server 12 SP4All versions2.4.0-3.7.1
apache2-mod_auth_openidc SUSE:Linux Enterprise Server for SAP Applications 12 SP4All versions2.4.0-3.7.1
apache2-mod_auth_openidc openSUSE:Leap 15.1All versions2.3.8-lp151.2.3.1

Products include Openidc Mod Auth Openidc.

How do I fix CVE-2019-14857?

Upgrade to a fixed version.

Is CVE-2019-14857 being exploited?

There is no known exploitation of CVE-2019-14857 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2019-14857, DLA-1996-1, GHSA-797h-qjwj-28jc, MGASA-2019-0410, SUSE-SU-2019:2934-1, SUSE-SU-2019:2935-1 and 2 more.

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