Vulnerability Details : CVE-2020-11937
Potential exploit
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 category: Denial of service
Products affected by CVE-2020-11937
- cpe:2.3:a:canonical:whoopsie:0.2.66:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.67:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.68:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.69:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.49:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.50:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.51:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.1:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.2:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.3:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.4:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.5:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.1:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.2:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.3:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.4:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.58:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.59:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.59build1:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.60:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.61:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.62:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.1:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.2:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.3:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11937
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11937
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
Canonical Ltd. |
CWE ids for CVE-2020-11937
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: security@ubuntu.com (Secondary)
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11937
-
https://usn.ubuntu.com/4450-1/
USN-4450-1: Whoopsie vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://github.com/sungjungk/whoopsie_killer
GitHub - sungjungk/whoopsie_killerExploit;Third Party Advisory
-
https://launchpad.net/bugs/1881982
Bug #1881982 “DoS vulnerability: cause resource exhaustion” : Bugs : whoopsie package : UbuntuExploit;Issue Tracking;Third Party Advisory
-
https://usn.ubuntu.com/4450-1
USN-4450-1: Whoopsie vulnerabilities | Ubuntu security notices | UbuntuVendor Advisory
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