Nextcloud Server/Enterprise Server up to 27.1.0 Birthday Calendar authorization
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.2 | $0-$5k | 0.00 |
A vulnerability has been found in Nextcloud Server and Enterprise Server up to 27.1.0 (Cloud Software) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Birthday Calendar Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect availability. The summary by CVE is:
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.
The weakness was disclosed 11/22/2023 as GHSA-8jwv-c8c8-9fr3. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-48304 since 11/14/2023. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
The entries VDB-236834, VDB-242113, VDB-245945 and VDB-245946 are pretty similar.
Product
Type
Vendor
Name
Version
- 22.2.10.0
- 22.2.10.1
- 22.2.10.2
- 22.2.10.3
- 22.2.10.4
- 22.2.10.5
- 22.2.10.6
- 22.2.10.7
- 22.2.10.8
- 22.2.10.9
- 22.2.10.10
- 22.2.10.11
- 22.2.10.12
- 22.2.10.13
- 22.2.10.14
- 22.2.10.15
- 22.2.10.16
- 23.0.12.0
- 23.0.12.1
- 23.0.12.2
- 23.0.12.3
- 23.0.12.4
- 23.0.12.5
- 23.0.12.6
- 23.0.12.7
- 23.0.12.8
- 23.0.12.9
- 23.0.12.10
- 23.0.12.11
- 24.0.12.0
- 24.0.12.1
- 24.0.12.2
- 24.0.12.3
- 24.0.12.4
- 24.0.12.5
- 24.0.12.6
- 24.0.12.7
- 25.0.0
- 25.0.1
- 25.0.2
- 25.0.3
- 25.0.4
- 25.0.5
- 25.0.6
- 25.0.7
- 25.0.8
- 25.0.9
- 25.0.10
- 25.0.11
- 26.0.0
- 26.0.1
- 26.0.2
- 26.0.3
- 26.0.4
- 26.0.5
- 26.0.6
- 27.0
- 27.1
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔒VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 4.3
NVD Vector: 🔒
CNA Base Score: 4.3
CNA Vector (GitHub, Inc.): 🔒
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AuthorizationCWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Patch: github.com
Timeline
11/14/2023 CVE reserved11/22/2023 Advisory disclosed
11/22/2023 VulDB entry created
12/15/2023 VulDB entry last update
Sources
Advisory: GHSA-8jwv-c8c8-9fr3Status: Confirmed
CVE: CVE-2023-48304 (🔒)
See also: 🔒
Entry
Created: 11/22/2023 07:15Updated: 12/15/2023 15:19
Changes: 11/22/2023 07:15 (51), 11/22/2023 07:21 (1), 12/15/2023 15:19 (9)
Complete: 🔍
Cache ID: 3:FAF:103
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