Nextcloud Server/Enterprise Server up to 23.0.11/24.0.7/25.0.0 Password Reset denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Nextcloud Server and Enterprise Server up to 23.0.11/24.0.7/25.0.0. This affects an unknown part of the component Password Reset Handler. The manipulation results in denial of service. This vulnerability is known as CVE-2023-25161. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Nextcloud Server and Enterprise Server up to 23.0.11/24.0.7/25.0.0 (Cloud Software). Affected is an unknown part of the component Password Reset Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud Enterprise Server prior to versions 25.0.1 24.0.8, and 23.0.12 missing rate limiting on password reset functionality. This could result in service slowdown, storage overflow, or cost impact when using external email services. Users should upgrade to Nextcloud Server 25.0.1, 24.0.8, or 23.0.12 or Nextcloud Enterprise Server 25.0.1, 24.0.8, or 23.0.12 to receive a patch. No known workarounds are available.

The weakness was published 02/14/2023 as GHSA-492h-596q-xr2f. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-25161 since 02/03/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 23.0.12, 24.0.8 or 25.0.1 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 3.7
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: Denial of service
CWE: CWE-404
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/Enterprise Server 23.0.12/24.0.8/25.0.1
Patch: github.com

Timelineinfo

02/03/2023 🔍
02/14/2023 +11 days 🔍
02/14/2023 +0 days 🔍
03/12/2023 +26 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-492h-596q-xr2f
Status: Confirmed

CVE: CVE-2023-25161 (🔍)
GCVE (CVE): GCVE-0-2023-25161
GCVE (VulDB): GCVE-100-220860

Entryinfo

Created: 02/14/2023 11:34
Updated: 03/12/2023 12:53
Changes: 02/14/2023 11:34 (53), 03/12/2023 12:53 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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