Microsoft Windows up to Server 2022 23H2 Cryptographic Services numeric truncation error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

A vulnerability, which was classified as critical, has been found in Microsoft Windows. This issue affects an unknown function of the component Cryptographic Services. The manipulation with an unknown input leads to a numeric truncation error vulnerability. Using CWE to declare the problem leads to CWE-197. Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 04/09/2024 as confirmed security update guide (Website). The advisory is shared at msrc.microsoft.com. The identification of this vulnerability is CVE-2024-29050. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/09/2024).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-217820, VDB-217836, VDB-223051 and VDB-236544 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 8.4
Vendor Vector (Microsoft): 🔒

CNA Base Score: 8.4
CNA Vector (Microsoft): 🔒

CVSSv2info

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

Exploitinginfo

Class: Numeric truncation error
CWE: CWE-197 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Local: Yes
Remote: No

Availability: 🔒
Status: Unproven

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: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Timelineinfo

03/14/2024 CVE reserved
04/09/2024 +26 days VulDB entry created
04/09/2024 +0 days Advisory disclosed
04/09/2024 +0 days Countermeasure disclosed
05/15/2024 +36 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2024-29050 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔒

Entryinfo

Created: 04/09/2024 20:30
Updated: 05/15/2024 13:56
Changes: 04/09/2024 20:30 (16), 04/09/2024 20:31 (18), 04/09/2024 20:34 (35), 05/15/2024 13:50 (1), 05/15/2024 13:56 (11)
Complete: 🔍
Cache ID: 52:BB8:103

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