Vulnerability in Canonical Apport
CVE-2020-8831
Apport creates a world writable lock file with root ownership in the world writable /var/lock/apport directory. If the apport/ directory does not exist (this is not uncommon as /var/lock is a tmpfs), it will create the directory, otherwise…
EPSS: 0.001 (26.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.
Affected products
- Canonical Apport — versions 2.20.1, 2.20.9, 2.20.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- launchpad.net/bugs/1862348 (x_refsource_CONFIRM)
- usn.ubuntu.com/4315-1/ (x_refsource_CONFIRM)
- USN-4315-2 (vendor-advisory, x_refsource_UBUNTU)
Frequently asked questions
- What is CVE-2020-8831?
- CVE-2020-8831 is a medium-severity vulnerability in Canonical Apport, classified under Creation of Temporary File in Directory with Insecure Permissions. CVSS score: 6.5/10. Published 2020-04-22.
- How severe is CVE-2020-8831?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-8831 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.