CheckUser Extension up to 1.42.1 on MediaWiki Special:Investigate information disclosure

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 (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in CheckUser Extension up to 1.42.1 on MediaWiki. It has been classified as problematic. This affects an unknown function of the file Special:Investigate. The manipulation leads to information disclosure. This vulnerability is listed as CVE-2024-40596. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in CheckUser Extension up to 1.42.1 on MediaWiki. This issue affects an unknown code block of the file Special:Investigate. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The Special:Investigate feature can expose suppressed information for log events. (TimelineService does not support properly suppressing.)

It is possible to read the advisory at phabricator.wikimedia.org. The identification of this vulnerability is CVE-2024-40596 since 07/06/2024. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/06/2024 🔍
07/07/2024 +1 days 🔍
07/07/2024 +0 days 🔍
07/10/2024 +3 days 🔍

Sourcesinfo

Advisory: phabricator.wikimedia.org
Status: Confirmed

CVE: CVE-2024-40596 (🔍)
GCVE (CVE): GCVE-0-2024-40596
GCVE (VulDB): GCVE-100-270443

Entryinfo

Created: 07/07/2024 12:18
Updated: 07/10/2024 06:02
Changes: 07/07/2024 12:18 (53), 07/09/2024 05:25 (1), 07/10/2024 06:02 (9)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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