Vulnerability Details : CVE-2022-24888
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 20.0.14.4, 21.0.8, 22.2.4, and 23.0.1, it is possible to create files and folders that have leading and trailing \n, \r, \t, and \v characters. The server rejects files and folders that have these characters in the middle of their names, so this might be an opportunity for injection. This issue is fixed in versions 20.0.14.4, 21.0.8, 22.2.4, and 23.0.1. There are currently no known workarounds.
Products affected by CVE-2022-24888
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-24888
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-24888
| 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:P/A:N |
10.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2022-24888
-
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Secondary)
- security-advisories@github.com (Secondary)
References for CVE-2022-24888
-
https://security.gentoo.org/glsa/202208-17
Nextcloud: Multiple Vulnerabilities (GLSA 202208-17) — Gentoo securityThird Party Advisory
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w3h6-p64h-q9jp
Control character filtering misses leading and trailing whitespace in file and folder names · Advisory · nextcloud/security-advisories · GitHubThird Party Advisory
-
https://github.com/nextcloud/server/pull/29895
Check for invalid characters before trimming by nickvergessen · Pull Request #29895 · nextcloud/server · GitHubPatch;Third Party Advisory
-
https://hackerone.com/reports/1402249
Sign inPermissions Required;Third Party Advisory
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