Resource exhaustion in Canonical Ubuntu Linux
CVE-2020-11937
In whoopsie, parse_report() from whoopsie.c allows a local attacker to cause a denial of service via a crafted file. The DoS is caused by resource exhaustion due to a memory leak. Fixed in 0.2.52.5ubuntu0.5, 0.2.62ubuntu0.5 and 0.2.69ubuntu0.1.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Canonical Ubuntu Linux — versions 20.04, 16.04, 18.04
- Canonical Whoopsie — versions 0.2.52.5ubuntu0.1, 0.2.60, 0.2.59
Weakness classification (CWE)
References
- launchpad.net/bugs/1881982 (Exploit, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/4450-1 (Vendor Advisory)
- github.com/sungjungk/whoopsie_killer (Exploit, Third Party Advisory)
- usn.ubuntu.com/4450-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11937?
- CVE-2020-11937 is a medium-severity vulnerability in Canonical Ubuntu Linux, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2020-08-06.
- How severe is CVE-2020-11937?
- Medium severity. CVSS v3 base score is 5.5 out of 10.