Vulnerability Details : CVE-2018-1000809
Potential exploit
privacyIDEA version 2.23.1 and earlier contains a Improper Input Validation vulnerability in token validation api that can result in Denial-of-Service. This attack appear to be exploitable via http request with user=<space>&pass= to /validate/check url. This vulnerability appears to have been fixed in 2.23.2.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2018-1000809
- cpe:2.3:a:privacyidea:privacyidea:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-1000809
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-1000809
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-1000809
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-1000809
-
https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751
Merge branch 'branch-2.23' · privacyidea/privacyidea@a3edc09 · GitHubPatch;Third Party Advisory
-
https://github.com/privacyidea/privacyidea/issues/1227
Failcounter increments on every token without a PIN when the user= arg only has a <space> · Issue #1227 · privacyidea/privacyidea · GitHubExploit;Patch;Third Party Advisory
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