nexryai nexkey prior 12.23Q4.5 API Token authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in nexryai nexkey. This affects an unknown part of the component API Token Handler. This manipulation causes authorization. This vulnerability is tracked as CVE-2023-52077. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in nexryai nexkey and classified as critical. Affected by this vulnerability is some unknown functionality of the component API Token Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Nexkey is a lightweight fork of Misskey v12 optimized for small to medium size servers. Prior to 12.23Q4.5, Nexkey allows external apps using tokens issued by administrators and moderators to call admin APIs. This allows malicious third-party apps to perform operations such as updating server settings, as well as compromise object storage and email server credentials. This issue has been patched in 12.23Q4.5.

The weakness was disclosed 12/27/2023 as GHSA-pjj7-7hcj-9cpc. The advisory is shared at github.com. This vulnerability is known as CVE-2023-52077 since 12/26/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 12.23Q4.5 eliminates this vulnerability. Applying the patch 78173e376f14fcc1987b02196f5538bf5b18225c 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.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.9
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: Authorization
CWE: CWE-863 / CWE-285 / 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: nexkey 12.23Q4.5
Patch: 78173e376f14fcc1987b02196f5538bf5b18225c

Timelineinfo

12/26/2023 🔍
12/27/2023 +1 days 🔍
12/27/2023 +0 days 🔍
01/19/2024 +23 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-pjj7-7hcj-9cpc
Status: Confirmed

CVE: CVE-2023-52077 (🔍)
GCVE (CVE): GCVE-0-2023-52077
GCVE (VulDB): GCVE-100-249097

Entryinfo

Created: 12/27/2023 21:16
Updated: 01/19/2024 15:54
Changes: 12/27/2023 21:16 (51), 01/19/2024 15:54 (11)
Complete: 🔍
Cache ID: 216::103

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

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