Nextcloud Server up to 26.0.12/27.1.7/28.0.3 Delete Request access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Nextcloud Server up to 26.0.12/27.1.7/28.0.3. This vulnerability affects unknown code of the component Delete Request Handler. Such manipulation leads to access control. This vulnerability is referenced as CVE-2024-37884. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Nextcloud Server up to 26.0.12/27.1.7/28.0.3 and classified as critical. Affected by this issue is an unknown code block of the component Delete Request Handler. 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 availability. CVE summarizes:

Nextcloud Server is a self hosted personal cloud system. A malicious user was able to send delete requests for old versions of files they only got shared with read permissions. It is recommended that the Nextcloud Server is upgraded to 26.0.12 or 27.1.7 or 28.0.3 and that the Nextcloud Enterprise Server is upgraded to 26.0.12 or 27.1.7 or 28.0.3.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-37884 since 06/10/2024. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 26.0.13, 27.1.8 or 28.0.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 26.0.13/27.1.8/28.0.4

Timelineinfo

06/10/2024 🔍
06/14/2024 +4 days 🔍
06/14/2024 +0 days 🔍
08/09/2024 +56 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-37884 (🔍)
GCVE (CVE): GCVE-0-2024-37884
GCVE (VulDB): GCVE-100-268700

Entryinfo

Created: 06/14/2024 17:51
Updated: 08/09/2024 02:44
Changes: 06/14/2024 17:51 (64), 08/09/2024 02:44 (12)
Complete: 🔍
Cache ID: 216::103

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