Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title mod-auth-mellon vulnerability
Informations
Name USN-4291-1 First vendor Publication 2020-02-24
Vendor Ubuntu Last vendor Modification 2020-02-24
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10 - Ubuntu 18.04 LTS

Summary:

libapache2-mod-auth-mellon could be made to redirect users to malicious sites.

Software Description: - libapache2-mod-auth-mellon: SAML 2.0 authentication module for Apache

Details:

It was discovered that mod_auth_mellon incorrectly handled certain requests. An attacker could possibly use this issue to redirect a user to a malicious URL.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10:
libapache2-mod-auth-mellon 0.14.2-1ubuntu1.19.10.1

Ubuntu 18.04 LTS:
libapache2-mod-auth-mellon 0.13.1-1ubuntu0.2

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4291-1
CVE-2019-13038

Package Information:

https://launchpad.net/ubuntu/+source/libapache2-mod-auth-mellon/0.14.2-1ubuntu1.19.10.1
https://launchpad.net/ubuntu/+source/libapache2-mod-auth-mellon/0.13.1-1ubuntu0.2

Original Source

Url : http://www.ubuntu.com/usn/USN-4291-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-601 URL Redirection to Untrusted Site ('Open Redirect') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 2
Os 2

Alert History

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0
Date Informations
2020-03-19 13:20:14
  • First insertion