CVE-2017-14177
First published: Wed Nov 15 2017(Updated: )
Apport through 2.20.7 does not properly handle core dumps from setuid binaries allowing local users to create certain files as root which an attacker could leverage to perform a denial of service via resource exhaustion or possibly gain root privileges. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1324.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/apport | <2.20.7-0ubuntu3.4 | 2.20.7-0ubuntu3.4 |
| ubuntu/apport | <2.14.1-0ubuntu3.27 | 2.14.1-0ubuntu3.27 |
| ubuntu/apport | <2.20.8 | 2.20.8 |
| ubuntu/apport | <2.20.1-0ubuntu2.12 | 2.20.1-0ubuntu2.12 |
| ubuntu/apport | <2.20.4-0ubuntu4.7 | 2.20.4-0ubuntu4.7 |
| Python 3 Apport | <=2.20.7 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =17.04 | |
| Ubuntu | =17.10 | |
| Ubuntu | =18.04 |
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Reference Links
- https://bazaar.launchpad.net/~apport-hackers/apport/trunk/revision/3171
- https://launchpad.net/bugs/1726372
- https://people.canonical.com/~ubuntu-security/cve/?cve=CVE-2017-14177
- https://usn.ubuntu.com/usn/usn-3480-1
- https://security-tracker.debian.org/tracker/CVE-2017-14177
- https://launchpad.net/bugs/cve/CVE-2017-14177
- http://www.sbosnet.nl/
- https://ubuntu.com/security/notices/USN-3480-1
- https://ubuntu.com/security/notices/USN-3480-2
- https://www.cve.org/CVERecord?id=CVE-2017-14177
- https://nvd.nist.gov/vuln/detail/CVE-2017-14177
- https://ubuntu.com/security/CVE-2017-14177
Frequently Asked Questions
What is the severity of CVE-2017-14177?
CVE-2017-14177 has a moderate severity, allowing local users to potentially gain root privileges or cause denial of service.
How do I fix CVE-2017-14177?
To fix CVE-2017-14177, upgrade Apport to versions 2.20.8 or later for affected Ubuntu releases.
Which Ubuntu versions are affected by CVE-2017-14177?
CVE-2017-14177 affects Ubuntu releases using Apport versions up to 2.20.7, specifically 14.04, 16.04, 17.04, 17.10, and 18.04.
What types of exploits are possible with CVE-2017-14177?
Exploitation of CVE-2017-14177 can allow an attacker to create files as root, potentially leading to resource exhaustion or privilege escalation.
Is a patch available for CVE-2017-14177?
Yes, a patch is available by upgrading Apport to an unaffected version based on your Ubuntu distribution.
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