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Ubuntu Security Notice USN-3971-1
May 08, 2019

Monit vulnerabilities
==========================================================================

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

- Ubuntu 19.04
- Ubuntu 18.10

Summary:

Several security issues were fixed in Monit

Software Description:
- monit: utility for monitoring and managing daemons or similar programs

Details:

Zack Flack discovered that Monit incorrectly handled certain input. A remote
authenticated user could exploit this to conduct cross-site scripting (XSS)
attacks. (CVE-2019-11454)

Zack Flack discovered a buffer overread when Monit decoded certain crafted URLs.
An attacker could exploit this to leak potentially sensitive information.
(CVE-2019-11455)

Update instructions:

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

Ubuntu 19.04:
  monit                           1:5.25.2-3ubuntu0.1

Ubuntu 18.10:
  monit                           1:5.25.2-1ubuntu0.1

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

References:
  https://usn.ubuntu.com/usn/usn-3971-1
  CVE-2019-11454, CVE-2019-11455

Package Information:
  https://launchpad.net/ubuntu/+source/monit/1:5.25.2-3ubuntu0.1
  https://launchpad.net/ubuntu/+source/monit/1:5.25.2-1ubuntu0.1