Microsoft Azure AD B2C OAuth Refresh Token cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Azure AD B2C. It has been rated as problematic. This affects an unknown function of the component OAuth Refresh Token Handler. Performing a manipulation results in cryptographic issue. There is not any exploit available. This product is available as a managed service. Users are not able to maintain vulnerability countermeasures themselves.

Detailsinfo

A vulnerability was found in Microsoft Azure AD B2C (Cloud Software) (version unknown). It has been classified as problematic. This affects an unknown function of the component OAuth Refresh Token Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality.

The weakness was released 02/17/2023. The advisory is shared at praetorian.com. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Managed Service

  • yes

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

02/17/2023 🔍
02/17/2023 +0 days 🔍
02/17/2023 +0 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: praetorian.com
Status: Confirmed
Confirmation: 🔍

GCVE (VulDB): GCVE-100-221361

Entryinfo

Created: 02/17/2023 13:57
Changes: 02/17/2023 13:57 (37)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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