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

USN-4965-2: Apport vulnerabilities

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Ubuntu Security Notice USN-4965-2
May 25, 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-4965-1 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 discovered that Apport incorrectly handled certain information
gathering operations. A local attacker could use these issues to read and
write arbitrary files as an administrator, and possibly escalate
privileges.

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+esm1
python-apport 2.20.1-0ubuntu2.30+esm1
python3-apport 2.20.1-0ubuntu2.30+esm1

Ubuntu 14.04 ESM:
apport 2.14.1-0ubuntu3.29+esm7
python-apport 2.14.1-0ubuntu3.29+esm7
python3-apport 2.14.1-0ubuntu3.29+esm7

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

References:
  https://ubuntu.com/security/notices/USN-4965-2
  https://ubuntu.com/security/notices/USN-4965-1
CVE-2021-32547, CVE-2021-32548, CVE-2021-32549, CVE-2021-32550,
CVE-2021-32551, CVE-2021-32552, CVE-2021-32553, CVE-2021-32554,
CVE-2021-32555, CVE-2021-32556, CVE-2021-32557