Vulnerability Details : CVE-2022-41968
Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.10 and 24.0.5, calendar name lengths are not validated before writing to a database. As a result, an attacker can send unnecessary amounts of data against the database. Version 23.0.10 and 24.0.5 contain patches for the issue. No known workarounds are available.
Vulnerability category: Input validation
Products affected by CVE-2022-41968
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 23.0.0 and before (<) 23.0.10cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 24.0.0 and before (<) 24.0.5cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-41968
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-41968
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST | |
3.5
|
LOW | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L |
2.1
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2022-41968
-
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-advisories@github.com (Secondary)
-
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-41968
-
https://hackerone.com/reports/1596148
HackerOneThird Party Advisory
-
https://github.com/nextcloud/server/pull/33139
Check calendar URI length before creation by miaulalala · Pull Request #33139 · nextcloud/server · GitHubPatch;Third Party Advisory
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m92j-xxc8-hq3v
Calendar name length not validated before writing to database · Advisory · nextcloud/security-advisories · GitHubThird Party Advisory
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