AbuseFilter Extension up to 1.35.2 on MediaWiki AbuseFilterCheckMatch API 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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3.7$0-$5k0.00

Summaryinfo

A vulnerability was found in AbuseFilter Extension up to 1.35.2 on MediaWiki. It has been declared as problematic. Affected by this issue is some unknown functionality of the component AbuseFilterCheckMatch API. Executing a manipulation can lead to information disclosure. The identification of this vulnerability is CVE-2021-31547. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in AbuseFilter Extension up to 1.35.2 on MediaWiki. It has been declared as problematic. This vulnerability affects some unknown processing of the component AbuseFilterCheckMatch API. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was shared 04/22/2021. The advisory is shared for download at phabricator.wikimedia.org. This vulnerability was named CVE-2021-31547. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at gerrit.wikimedia.org.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.8

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: 🔍

NVD Base Score: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: gerrit.wikimedia.org

Timelineinfo

04/22/2021 🔍
04/22/2021 +0 days 🔍
04/22/2021 +0 days 🔍
04/28/2021 +6 days 🔍

Sourcesinfo

Advisory: phabricator.wikimedia.org
Status: Confirmed

CVE: CVE-2021-31547 (🔍)
GCVE (CVE): GCVE-0-2021-31547
GCVE (VulDB): GCVE-100-173284

Entryinfo

Created: 04/22/2021 08:56
Updated: 04/28/2021 09:13
Changes: 04/22/2021 08:56 (38), 04/23/2021 20:00 (5), 04/28/2021 09:13 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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