- Vulnerability/
- USN-3480-2
USN-3480-2: Apport regressions
First published: Mon Nov 20 2017(Updated: )
USN-3480-1 fixed vulnerabilities in Apport. The fix for CVE-2017-14177 introduced a regression in the ability to handle crashes for users that configured their systems to use the Upstart init system in Ubuntu 16.04 LTS and Ubuntu 17.04. The fix for CVE-2017-14180 temporarily disabled crash forwarding to containers. This update addresses the problems. We apologize for the inconvenience. Original advisory details: Sander Bos discovered that Apport incorrectly handled core dumps for setuid binaries. A local attacker could use this issue to perform a denial of service via resource exhaustion or possibly gain root privileges. (CVE-2017-14177) Sander Bos discovered that Apport incorrectly handled core dumps for processes in a different PID namespace. A local attacker could use this issue to perform a denial of service via resource exhaustion or possibly gain root privileges. (CVE-2017-14180)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/apport | <2.20.7-0ubuntu3.5 | 2.20.7-0ubuntu3.5 |
| Ubuntu | =17.10 | |
| All of | ||
| ubuntu/apport | <2.20.4-0ubuntu4.8 | 2.20.4-0ubuntu4.8 |
| Ubuntu | =17.04 | |
| All of | ||
| ubuntu/apport | <2.20.1-0ubuntu2.13 | 2.20.1-0ubuntu2.13 |
| Ubuntu | =16.04 |
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Reference Links
- https://launchpad.net/bugs/1726372
- https://launchpad.net/bugs/1732518
- https://launchpad.net/ubuntu/+source/apport/2.20.7-0ubuntu3.5
- https://launchpad.net/ubuntu/+source/apport/2.20.4-0ubuntu4.8
- https://launchpad.net/ubuntu/+source/apport/2.20.1-0ubuntu2.13
- https://ubuntu.com/security/notices/USN-3480-2 (Advisory)
Frequently Asked Questions
What is the severity of USN-3480-2?
USN-3480-2 addresses vulnerabilities that could impact system stability and user experience.
How do I fix USN-3480-2?
To fix USN-3480-2, update the Apport package to the recommended version based on your Ubuntu system.
What systems are affected by USN-3480-2?
USN-3480-2 affects Ubuntu 16.04 LTS, 17.04, and 17.10 users utilizing specific versions of the Apport package.
What issues does USN-3480-2 resolve?
USN-3480-2 resolves a regression issue with crash handling for systems using the Upstart init system.
Is it necessary to reboot after applying USN-3480-2?
Rebooting is generally recommended after applying patches like USN-3480-2 to ensure all changes take effect.
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