CVE-2023-48304
Nextcloud Server Birthday Calendar Privilege Escalation Vulnerability
Description
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, an attacker could enable and disable the birthday calendar for any user on the same server. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available.
INFO
Published Date :
Nov. 21, 2023, 10:15 p.m.
Last Modified :
Dec. 1, 2023, 3:08 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
2.8
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-2023-48304.
| URL | Resource |
|---|---|
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8jwv-c8c8-9fr3 | Vendor Advisory |
| https://github.com/nextcloud/server/pull/40292 | Issue Tracking Patch |
| https://hackerone.com/reports/2112973 | Exploit Third Party Advisory |
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-2023-48304 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-48304 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 01, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Changed Reference Type https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8jwv-c8c8-9fr3 No Types Assigned https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8jwv-c8c8-9fr3 Vendor Advisory Changed Reference Type https://github.com/nextcloud/server/pull/40292 No Types Assigned https://github.com/nextcloud/server/pull/40292 Issue Tracking, Patch Changed Reference Type https://hackerone.com/reports/2112973 No Types Assigned https://hackerone.com/reports/2112973 Exploit, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 22.0.0 up to (including) 22.2.10.16 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 23.0.0 up to (excluding) 23.0.12.11 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 24.0.0 up to (excluding) 24.0.12.7 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* versions from (including) 25.0.0 up to (excluding) 25.0.11 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 25.0.0 up to (excluding) 25.0.11 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* versions from (including) 26.0.0 up to (excluding) 26.0.6 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 26.0.0 up to (excluding) 26.0.6 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* versions from (including) 27.0.0 up to (excluding) 27.1.0 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 27.0.0 up to (excluding) 27.1.0 -
CVE Received by [email protected]
Nov. 21, 2023
Action Type Old Value New Value Added Description Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, an attacker could enable and disable the birthday calendar for any user on the same server. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available. Added Reference GitHub, Inc. https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8jwv-c8c8-9fr3 [No types assigned] Added Reference GitHub, Inc. https://github.com/nextcloud/server/pull/40292 [No types assigned] Added Reference GitHub, Inc. https://hackerone.com/reports/2112973 [No types assigned] Added CWE GitHub, Inc. CWE-639 Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-48304 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-2023-48304
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.01%
score
0.17324
percentile