VDB-180723 · CVE-2021-31556 · GCVE-0-2021-31556

Oauth Extension up to 1.35.2 on MediaWiki RSA Key MWOAuthConsumerSubmitControl.php privilege escalation

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Oauth Extension up to 1.35.2 on MediaWiki. This issue affects some unknown processing of the file MWOAuthConsumerSubmitControl.php of the component RSA Key Handler. Performing a manipulation results in an unknown weakness. This vulnerability was named CVE-2021-31556. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Oauth Extension up to 1.35.2 on MediaWiki. This affects an unknown code of the file MWOAuthConsumerSubmitControl.php of the component RSA Key Handler. The impact remains unknown.

The weakness was presented 08/13/2021. It is possible to read the advisory at phabricator.wikimedia.org. This vulnerability is uniquely identified as CVE-2021-31556. Technical details of the vulnerability are known, but there is no available exploit.

By approaching the search of inurl:MWOAuthConsumerSubmitControl.php it is possible to find vulnerable targets with Google Hacking.

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

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

Productinfo

Name

Oauth Extension

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: gerrit.wikimedia.org

Timelineinfo

04/22/2021 🔍
08/13/2021 +113 days 🔍
08/13/2021 +0 days 🔍
08/17/2021 +4 days 🔍

Sourcesinfo

Advisory: phabricator.wikimedia.org
Status: Confirmed

CVE: CVE-2021-31556 (🔍)
GCVE (CVE): GCVE-0-2021-31556
GCVE (VulDB): GCVE-100-180723

Entryinfo

Created: 08/13/2021 06:27
Updated: 08/17/2021 10:41
Changes: 08/13/2021 06:27 (37), 08/17/2021 10:41 (2)
Complete: 🔍
Cache ID: 216::103