Home/CVE/Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability
CVE

CVE-2024-0056

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability.

HIGH · CVSS 8.7 EPSS 0.00864
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules6 YARA rules0
⬡

Weakness Classification

CWE-319Cleartext Transmission of Sensitive Information
▤

Affected Products & Versions

16
microsoft microsoft.data.sqlclient>= 2.1 and < 2.1.7
microsoft microsoft.data.sqlclient>= 3.1 and < 3.1.5
microsoft microsoft.data.sqlclient>= 4.0 and < 4.0.5
microsoft microsoft.data.sqlclient>= 5.1 and < 5.1.3
microsoft sql serverall versions
microsoft system.data.sqlclient< 4.8.6
microsoft visual studio 2022>= 17.2 and < 17.2.23
microsoft visual studio 2022>= 17.4 and < 17.4.15
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet Microsoft.Data.SqlClient HIGH fixed in 2.1.7
NuGet System.Data.SqlClient HIGH fixed in 4.8.6
◈

Sigma Hunt Rules

6
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighUAC Bypass Using .NET Code Profiler on MMC
producthighPotential AMSI Bypass Via .NET Reflection
producthighETW Logging Tamper In .NET Processes Via CommandLine
producthighETW Logging Disabled In .NET Processes - Registry
producthighETW Logging Disabled In .NET Processes - Sysmon Registry
producthighSuspicious Child Process Of SQL Server
▣

Scoring & Timeline

8.7
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jan 2024 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

17
siemens-csafSSA-682326
siemens-csafSSA-901508
siemens-csafSSA-277137
siemens-csafSSA-472448
siemens-csafSSA-417547
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