Executive Summary

Informations
Name CVE-2019-3878 First vendor Publication 2019-03-26
Vendor Cve Last vendor Modification 2019-05-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.1
Base Score 8.1 Environmental Score 8.1
impact SubScore 5.9 Temporal Score 8.1
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3878

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 2
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1

Sources (Detail)

Source Url
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3878
https://github.com/Uninett/mod_auth_mellon/pull/196
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
REDHAT https://access.redhat.com/errata/RHBA-2019:0959
https://access.redhat.com/errata/RHSA-2019:0746
https://access.redhat.com/errata/RHSA-2019:0766
https://access.redhat.com/errata/RHSA-2019:0985
UBUNTU https://usn.ubuntu.com/3924-1/

Alert History

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Date Informations
2020-05-23 02:30:00
  • Multiple Updates
2019-05-07 13:19:24
  • Multiple Updates
2019-04-17 21:19:23
  • Multiple Updates
2019-04-17 00:19:12
  • Multiple Updates
2019-04-11 21:19:31
  • Multiple Updates
2019-04-10 12:08:37
  • Multiple Updates
2019-04-03 21:19:41
  • Multiple Updates
2019-04-02 09:18:54
  • Multiple Updates
2019-03-29 00:19:18
  • Multiple Updates
2019-03-28 00:19:06
  • Multiple Updates
2019-03-27 00:19:11
  • First insertion