Vulnerability Details : CVE-2020-1722
A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2020-1722
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-1722
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.4
|
MEDIUM | AV:N/AC:H/Au:N/C:N/I:N/A:C |
4.9
|
6.9
|
NIST |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.6
|
3.6
|
NIST |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.6
|
3.6
|
Red Hat, Inc. |
CWE ids for CVE-2020-1722
-
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:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2020-1722
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722
1793071 – (CVE-2020-1722) CVE-2020-1722 ipa: No password length restriction leads to denial of serviceIssue Tracking;Third Party Advisory
Products affected by CVE-2020-1722
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*