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Ubuntu 18.04 LTS: USN-3924-1 Critical: mod_auth_mellon Issues

ubuntu
Calendar Grey March 28, 2019
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
Several security issues were fixed in mod_auth_mellon.

Summary

Several security issues were fixed in mod_auth_mellon.

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. (CVE-2019-3877)

It was discovered that mod_auth_mellon incorrectly handled certain

requests. An attacker could possibly use this issue to access sensitive

information. (CVE-2019-3878)

Topics%20covered

Topics Covered

security advisory Ubuntu information disclosure attack vector mod_auth_mellon SAML authentication

Update Instructions

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

Ubuntu 18.10:
  libapache2-mod-auth-mellon      0.14.0-1ubuntu0.1

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

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

References

  https://ubuntu.com/security/notices/USN-3924-1

  CVE-2019-3877, CVE-2019-3878

Severity
critical
Lowest
Low
Medium
High
Critical

March 28, 2019

Topics%20covered

Topics Covered

security advisory Ubuntu information disclosure attack vector mod_auth_mellon SAML authentication

Package Information

  https://launchpad.net/ubuntu/+source/libapache2-mod-auth-mellon/0.14.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libapache2-mod-auth-mellon/0.13.1-1ubuntu0.1

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