Microsoft Azure AD Log in with Microsoft nOAuth improper authorization

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
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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Azure AD. It has been classified as critical. Affected is an unknown function of the component Log in with Microsoft. This manipulation causes improper authorization. The attack may be initiated remotely. There is no available exploit. This product is a managed service. This means that users cannot maintain vulnerability countermeasures themselves. You should change the configuration settings.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Azure AD (Cloud Software) (unknown version). Affected by this vulnerability is an unknown code block of the component Log in with Microsoft. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 06/26/2023. It is possible to read the advisory at descope.com. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/26/2023). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

It is possible to mitigate the problem by applying the configuration setting .

Additional details are provided at thehackernews.com. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Managed Service

  • yes

Website

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/26/2023 🔍
06/26/2023 +0 days 🔍
06/26/2023 +0 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: descope.com
Status: Confirmed
Confirmation: 🔍

GCVE (VulDB): GCVE-100-232363
Misc.: 🔍

Entryinfo

Created: 06/26/2023 07:14
Changes: 06/26/2023 07:14 (41)
Complete: 🔍
Cache ID: 216::103

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

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