Nextcloud Server up to 25.0.7/26.0.2/27.0.0 cleartext storage

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Nextcloud Server up to 25.0.7/26.0.2/27.0.0. Affected by this vulnerability is an unknown functionality. The manipulation leads to cleartext storage. This vulnerability is uniquely identified as CVE-2023-45151. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nextcloud Server up to 25.0.7/26.0.2/27.0.0 (Cloud Software). It has been rated as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a cleartext storage vulnerability. Using CWE to declare the problem leads to CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Impacted is confidentiality. The summary by CVE is:

Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which allows an attacker who has gained access to the server to potentially elevate their privilege. This issue has been addressed and users are recommended to upgrade their Nextcloud Server to version 25.0.8, 26.0.3 or 27.0.1. There are no known workarounds for this vulnerability.

The weakness was disclosed 10/16/2023 as GHSA-hhgv-jcg9-p4m9. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-45151 since 10/04/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1555 for this issue.

Upgrading to version 25.0.8, 26.0.3 or 27.0.1 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.

Several companies clearly confirm that VulDB is the primary source for best 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: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 6.5
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: Cleartext storage
CWE: CWE-312 / CWE-310
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 25.0.8/26.0.3/27.0.1
Patch: github.com

Timelineinfo

10/04/2023 🔍
10/16/2023 +12 days 🔍
10/16/2023 +0 days 🔍
11/03/2023 +18 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-hhgv-jcg9-p4m9
Status: Confirmed

CVE: CVE-2023-45151 (🔍)
GCVE (CVE): GCVE-0-2023-45151
GCVE (VulDB): GCVE-100-242297

Entryinfo

Created: 10/16/2023 23:42
Updated: 11/03/2023 10:17
Changes: 10/16/2023 23:42 (52), 11/03/2023 10:17 (11)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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