CVE-2019-3878
Apache mod_auth_mellon SAML ECP Authentication Bypass
Description
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.
INFO
Published Date :
March 26, 2019, 6:29 p.m.
Last Modified :
Nov. 7, 2023, 3:10 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2019-3878
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-3878.
| URL | Resource |
|---|---|
| https://access.redhat.com/errata/RHBA-2019:0959 | |
| https://access.redhat.com/errata/RHSA-2019:0746 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:0766 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:0985 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3878 | Issue Tracking Patch Third Party Advisory |
| https://github.com/Uninett/mod_auth_mellon/pull/196 | Exploit Third Party Advisory Patch |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/ | |
| https://usn.ubuntu.com/3924-1/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-3878 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-3878 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/ [No types assigned] Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/ -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Added CWE Red Hat, Inc. CWE-305 -
CVE Modified by [email protected]
May. 07, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHBA-2019:0959 [No Types Assigned] -
CVE Modified by [email protected]
May. 07, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:0985 [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 17, 2019
Action Type Old Value New Value Changed Reference Type https://access.redhat.com/errata/RHSA-2019:0746 No Types Assigned https://access.redhat.com/errata/RHSA-2019:0746 Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/ Mailing List, Release Notes, Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2019:0766 No Types Assigned https://access.redhat.com/errata/RHSA-2019:0766 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 16, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:0766 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 11, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:0746 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 10, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/ [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 03, 2019
Action Type Old Value New Value Changed Reference Type https://usn.ubuntu.com/3924-1/ No Types Assigned https://usn.ubuntu.com/3924-1/ Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/ Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 02, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 28, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3924-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 27, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3878 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3878 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/Uninett/mod_auth_mellon/pull/196 No Types Assigned https://github.com/Uninett/mod_auth_mellon/pull/196 Exploit, Patch, Third Party Advisory Added CWE CWE-287 Added CPE Configuration OR *cpe:2.3:a:mod_auth_mellon_project:mod_auth_mellon:*:*:*:*:*:apache:*:* versions up to (excluding) 0.14.2 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-3878 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-3878
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.61 }} -0.15%
score
0.87689
percentile