VDB-241325 · CVE-2023-43793 · GHSA-9fj2-gjcf-cqqc

Misskey prior 2023.9.0 Bull Dashboard improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Misskey. It has been rated as critical. The impacted element is an unknown function of the component Bull Dashboard. The manipulation leads to improper authentication. This vulnerability is referenced as CVE-2023-43793. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Misskey. It has been rated as critical. This issue affects an unknown function of the component Bull Dashboard. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality. The summary by CVE is:

Misskey is an open source, decentralized social media platform. Prior to version 2023.9.0, by editing the URL, a user can bypass the authentication of the Bull dashboard, which is the job queue management UI, and access it. Version 2023.9.0 contains a fix. There are no known workarounds.

The weakness was published 10/05/2023 as GHSA-9fj2-gjcf-cqqc. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-43793 since 09/22/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 2023.9.0 eliminates this vulnerability. Applying the patch c9aeccb2ab260ceedc126e6e366da8cd13ece4b2 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

Name

Misskey

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Misskey 2023.9.0
Patch: c9aeccb2ab260ceedc126e6e366da8cd13ece4b2

Timelineinfo

09/22/2023 🔍
10/05/2023 +13 days 🔍
10/05/2023 +0 days 🔍
10/05/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-9fj2-gjcf-cqqc
Status: Confirmed

CVE: CVE-2023-43793 (🔍)
GCVE (CVE): GCVE-0-2023-43793
GCVE (VulDB): GCVE-100-241325

Entryinfo

Created: 10/05/2023 07:53
Changes: 10/05/2023 07:53 (51)
Complete: 🔍
Cache ID: 216::103