CVE-2022-24741
High memory usage in Nextcloud server
Description
Nextcloud server is an open source, self hosted cloud style services platform. In affected versions an attacker can cause a denial of service by uploading specially crafted files which will cause the server to allocate too much memory / CPU. It is recommended that the Nextcloud Server is upgraded to 21.0.8 , 22.2.4 or 23.0.1. Users unable to upgrade should disable preview generation with the `'enable_previews'` config flag.
INFO
Published Date :
March 9, 2022, 10:15 p.m.
Last Modified :
Nov. 21, 2024, 6:50 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- All Nextcloud users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose >=www-apps/nextcloud-23.0.4
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-24741.
| URL | Resource |
|---|---|
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf3h-xf4q-mh89 | Third Party Advisory |
| https://github.com/nextcloud/server/pull/30291 | Patch Third Party Advisory |
| https://hackerone.com/reports/1261225 | Exploit Third Party Advisory |
| https://security.gentoo.org/glsa/202208-17 | Third Party Advisory |
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf3h-xf4q-mh89 | Third Party Advisory |
| https://github.com/nextcloud/server/pull/30291 | Patch Third Party Advisory |
| https://hackerone.com/reports/1261225 | Exploit Third Party Advisory |
| https://security.gentoo.org/glsa/202208-17 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-24741 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-24741
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-24741 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-24741 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf3h-xf4q-mh89 Added Reference https://github.com/nextcloud/server/pull/30291 Added Reference https://hackerone.com/reports/1261225 Added Reference https://security.gentoo.org/glsa/202208-17 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jun. 30, 2023
Action Type Old Value New Value Added CWE NIST CWE-770 -
Modified Analysis by [email protected]
Oct. 25, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202208-17 No Types Assigned https://security.gentoo.org/glsa/202208-17 Third Party Advisory -
CVE Modified by [email protected]
Aug. 11, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202208-17 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 17, 2022
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf3h-xf4q-mh89 No Types Assigned https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf3h-xf4q-mh89 Third Party Advisory Changed Reference Type https://github.com/nextcloud/server/pull/30291 No Types Assigned https://github.com/nextcloud/server/pull/30291 Patch, Third Party Advisory Changed Reference Type https://hackerone.com/reports/1261225 No Types Assigned https://hackerone.com/reports/1261225 Exploit, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* versions from (including) 21.0.0 up to (excluding) 21.0.8 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* versions from (including) 22.0.0 up to (excluding) 22.2.4 *cpe:2.3:a:nextcloud:nextcloud_server:23.0.0:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 6.5
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.96 }} 0.40%
score
0.75681
percentile