Nextcloud Server 24.0.10/25.0.4 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Nextcloud Server 24.0.10/25.0.4. It has been classified as critical. This affects an unknown function. The manipulation leads to access control. This vulnerability is referenced as CVE-2023-28844. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Nextcloud Server 24.0.10/25.0.4 (Cloud Software). This issue affects an unknown code block. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. The summary by CVE is:

Nextcloud server is an open source home cloud implementation. In affected versions users that should not be able to download a file can still download an older version and use that for uncontrolled distribution. This issue has been addressed in versions 24.0.10 and 25.0.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

The weakness was published 04/01/2023 as GHSA-w47p-f66h-h2vj. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-28844 since 03/24/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 5.7
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

03/24/2023 🔍
04/01/2023 +7 days 🔍
04/01/2023 +0 days 🔍
04/21/2023 +20 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-w47p-f66h-h2vj
Status: Confirmed

CVE: CVE-2023-28844 (🔍)
GCVE (CVE): GCVE-0-2023-28844
GCVE (VulDB): GCVE-100-224705

Entryinfo

Created: 04/01/2023 08:23
Updated: 04/21/2023 09:54
Changes: 04/01/2023 08:23 (51), 04/21/2023 09:54 (11)
Complete: 🔍
Cache ID: 216::103

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