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Ubuntu 14.04 ESM USN-4720-2 Critical: Apport Issues and Update

ubuntu
Calendar Grey February 3, 2021
Dist Ubuntu Esm H88
Various problems in Apport were addressed in Ubuntu 14.04 ESM, impacting security features. Further update specifics are outlined in the advisory.
Several security issues were fixed in Apport.

Summary

Several security issues were fixed in Apport.

Software Description:

- apport: automatically generate crash reports for debugging

Details:

USN-4720-1 fixed several vulnerabilities in Apport. This update provides

the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Itai Greenhut discovered that Apport incorrectly parsed certain files in

the /proc filesystem. A local attacker could use this issue to escalate

privileges and run arbitrary code. (CVE-2021-25682, CVE-2021-25683)

Itai Greenhut discovered that Apport incorrectly handled opening certain

special files. A local attacker could possibly use this issue to cause

Apport to hang, resulting in a denial of service. (CVE-2021-25684)

Topics%20covered

Topics Covered

security advisory denial of service critical privilege escalation local attack ubuntu apport

Update Instructions

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

Ubuntu 14.04 ESM:
  apport                          2.14.1-0ubuntu3.29+esm6
  python-apport                   2.14.1-0ubuntu3.29+esm6
  python3-apport                  2.14.1-0ubuntu3.29+esm6

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

References

https://ubuntu.com/security/notices/USN-4720-2

https://ubuntu.com/security/notices/USN-4720-1

CVE-2021-25682, CVE-2021-25683, CVE-2021-25684

Severity
critical
Lowest
Low
Medium
High
Critical

February 03, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical privilege escalation local attack ubuntu apport

Package Information

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