Nextcloud Server/Enterprise Server prior 27.1.0 DNS Pin Middleware server-side request forgery
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Nextcloud Server and Enterprise Server up to 22.2.10.16/23.0.12.11/24.0.12.7/25.0.11/27.1.0 (Cloud Software). This issue affects an unknown function of the component DNS Pin Middleware. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality. 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, the DNS pin middleware was vulnerable to DNS rebinding allowing an attacker to perform SSRF as a final result. 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 published 11/22/2023 as GHSA-8f69-f9jg-4x3v. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-48306 since 11/14/2023. Neither technical details nor an exploit are publicly available.
Upgrading to version 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6 or 27.1.0 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.
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
- 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: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CNA Base Score: 5.0
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: Server-side request forgeryCWE: CWE-918
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: 🔍
Upgrade: Server/Enterprise Server 22.2.10.16/23.0.12.11/24.0.12.7/25.0.11/26.0.6/27.1.0
Patch: github.com
Timeline
11/14/2023 🔍11/22/2023 🔍
11/22/2023 🔍
12/15/2023 🔍
Sources
Advisory: GHSA-8f69-f9jg-4x3vStatus: Confirmed
CVE: CVE-2023-48306 (🔍)
Entry
Created: 11/22/2023 07:11 AMUpdated: 12/15/2023 03:08 PM
Changes: 11/22/2023 07:11 AM (53), 11/22/2023 07:21 AM (1), 12/15/2023 03:08 PM (11)
Complete: 🔍
Cache ID: 18:E28:40
No comments yet. Languages: en.
Please log in to comment.