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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