CVE-2020-8833: Apport race condition in crash report permissions
First published: Wed Apr 22 2020(Updated: )
Last updated 24 July 2024
Credit: security@ubuntu.com security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Apport Project Apport |
Remedy
This ability to exploit this is likely mitigated by the Ubuntu default of fs.protected_symlinks=1
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Reference Links
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1862933
- https://usn.ubuntu.com/4315-1/
- https://usn.ubuntu.com/4315-2/
- https://launchpad.net/bugs/cve/CVE-2020-8833
- https://security-tracker.debian.org/tracker/CVE-2020-8833
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8833
- https://nvd.nist.gov/vuln/detail/CVE-2020-8833
- https://ubuntu.com/security/CVE-2020-8833
- collector/nvd-index
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- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/19.10
- vendor/apport project
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