What is the CVSS score of CVE-2023-38169?

CVE-2023-38169 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

Is there a patch available for CVE-2023-38169?

Yes, a patch is available for CVE-2023-38169. Update the affected software to the latest version immediately.

Sql Server CVE-2023-38169

HIGH

Use After Free (CWE-416)

2023-08-08 secure@microsoft.com

RCE Use After Free Memory Corruption Microsoft Sql Server Odbc Driver For Sql Server Ole Db Driver For Sql Server

8.8

CVSS 3.1 · Vendor: microsoft

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Vulnerability Assessment

Weakness	CWE CWE-416 ASVS 5.0 V15 - Secure Coding and Architecture Memory lifecycle management MITRE ATT&CK 2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required.
Exploit ScenarioDerived	A remote attacker could access freed memory to execute arbitrary code or crash the application by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 1.2% exploitation probability (EPSS)

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AnalysisAI

Microsoft SQL OLE DB Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Affected products include: Microsoft Odbc Driver For Sql Server, Microsoft Ole Db Driver For Sql Server, Microsoft Sql Server.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (microsoft) PRIMARY 8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Microsoft SQL OLE DB Remote Code Execution Vulnerability

Threat Intelligence Overview

EPSS Score

1.2%

Top 35% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 1.2%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +44

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Use After Free HIGH

Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated.

Memory Corruption HIGH

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.0.1.1:*:*:*:*:linux:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.0.1.1:*:*:*:*:macos:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.0.1.1:*:*:*:*:windows:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.10.3.1:*:*:*:*:linux:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.10.3.1:*:*:*:*:macos:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.10.3.1:*:*:*:*:windows:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.10.4.1:*:*:*:*:linux:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:17.10.4.1:*:*:*:*:macos:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.0.1.1:*:*:*:*:linux:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.0.1.1:*:*:*:*:macos:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.0.1.1:*:*:*:*:windows:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.1.2.1:*:*:*:*:linux:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.1.2.1:*:*:*:*:macos:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.1.2.1:*:*:*:*:windows:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.2.1.1:*:*:*:*:linux:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.2.1.1:*:*:*:*:macos:*:*

cpe:2.3:a:microsoft:odbc_driver_for_sql_server:18.2.1.1:*:*:*:*:windows:*:*

cpe:2.3:a:microsoft:ole_db_driver_for_sql_server:18.0.2:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:ole_db_driver_for_sql_server:18.1.0:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:ole_db_driver_for_sql_server:18.2.1:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38169 ADVISORY https://vuldb.com/vuln/236516

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