An Apport security update has been released for Ubuntu Linux 14.04 ESM and 16.04 ESM.

USN-5077-2: Apport vulnerabilities

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Ubuntu Security Notice USN-5077-2
September 14, 2021

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

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in Apport.

Software Description:
- apport: automatically generate crash reports for debugging

Details:

USN-5077-1 fixed several vulnerabilities in Apport. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Maik Münch and Stephen Röttger discovered that Apport incorrectly handled
certain information gathering operations. A local attacker could use this
issue to gain read access to arbitrary files, possibly containing sensitive
information.

Update instructions:

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

Ubuntu 16.04 ESM:
apport 2.20.1-0ubuntu2.30+esm2
python-apport 2.20.1-0ubuntu2.30+esm2
python3-apport 2.20.1-0ubuntu2.30+esm2

Ubuntu 14.04 ESM:
apport 2.14.1-0ubuntu3.29+esm8
python-apport 2.14.1-0ubuntu3.29+esm8
python3-apport 2.14.1-0ubuntu3.29+esm8

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

References:
  https://ubuntu.com/security/notices/USN-5077-2
  https://ubuntu.com/security/notices/USN-5077-1
CVE-2021-3709, CVE-2021-3710