// For flags

CVE-2023-40596

Splunk Enterprise on Windows Privilege Escalation due to Insecure OPENSSLDIR Build Definition Reference in DLL

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.

*Credits: Will Dormann, Vul Labs
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-08-16 CVE Reserved
  • 2023-08-30 CVE Published
  • 2023-08-31 EPSS Updated
  • 2024-08-12 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-427: Uncontrolled Search Path Element
  • CWE-665: Improper Initialization
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Splunk
Search vendor "Splunk"
Splunk
Search vendor "Splunk" for product "Splunk"
>= 8.2.0 < 8.2.12
Search vendor "Splunk" for product "Splunk" and version " >= 8.2.0 < 8.2.12"
enterprise
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Splunk
Search vendor "Splunk"
Splunk
Search vendor "Splunk" for product "Splunk"
>= 9.0.0 < 9.0.6
Search vendor "Splunk" for product "Splunk" and version " >= 9.0.0 < 9.0.6"
enterprise
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Splunk
Search vendor "Splunk"
Splunk
Search vendor "Splunk" for product "Splunk"
9.1.0
Search vendor "Splunk" for product "Splunk" and version "9.1.0"
enterprise
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe