VDB-250201 · CVE-2024-21643 · GHSA-rv9j-c866-gp5h

Microsoft.IdentityModel.Protocols.SignedHttpRequest code injection

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Microsoft.IdentityModel.Protocols.SignedHttpRequest. It has been rated as critical. The affected element is an unknown function. This manipulation causes an unknown weakness. This vulnerability is handled as CVE-2024-21643. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Microsoft.IdentityModel.Protocols.SignedHttpRequest. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 01/09/2024. The advisory is shared at github.com. This vulnerability is known as CVE-2024-21643 since 12/29/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 6.34.0 or 7.1.2 eliminates this vulnerability.

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

Productinfo

Name

Microsoft.IdentityModel.Protocols.SignedHttpRequest

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Microsoft.IdentityModel.Protocols.SignedHttpRequest 6.34.0/7.1.2

Timelineinfo

12/29/2023 🔍
01/09/2024 +11 days 🔍
01/09/2024 +0 days 🔍
01/27/2024 +18 days 🔍

Sourcesinfo

Advisory: GHSA-rv9j-c866-gp5h
Status: Confirmed

CVE: CVE-2024-21643 (🔍)
GCVE (CVE): GCVE-0-2024-21643
GCVE (VulDB): GCVE-100-250201

Entryinfo

Created: 01/09/2024 20:58
Updated: 01/27/2024 04:33
Changes: 01/09/2024 20:58 (34), 01/27/2024 04:20 (3), 01/27/2024 04:33 (22)
Complete: 🔍
Cache ID: 216::103