CVE-2023-36900
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Windows Common Log File System Driver Elevation of Privilege Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the clfs.sys driver. A crafted BLF file can trigger an incorrect integer calculation before allocating a buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.
*Credits:
Anonymous
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-06-27 CVE Reserved
- 2023-08-08 CVE Published
- 2024-01-10 First Exploit
- 2024-08-02 CVE Updated
- 2024-09-21 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-190: Integer Overflow or Wraparound
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/RomanRybachek/CVE-2023-36900 | 2024-01-10 |
| URL | Date | SRC |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36900 | 2024-05-29 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | < 10.0.10240.20107 Search vendor "Microsoft" for product "Windows 10" and version " < 10.0.10240.20107" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 1607 Search vendor "Microsoft" for product "Windows 10 1607" | < 10.0.14393.6167 Search vendor "Microsoft" for product "Windows 10 1607" and version " < 10.0.14393.6167" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 1809 Search vendor "Microsoft" for product "Windows 10 1809" | < 10.0.17763.4737 Search vendor "Microsoft" for product "Windows 10 1809" and version " < 10.0.17763.4737" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 21h2 Search vendor "Microsoft" for product "Windows 10 21h2" | < 10.0.19044.3324 Search vendor "Microsoft" for product "Windows 10 21h2" and version " < 10.0.19044.3324" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 22h2 Search vendor "Microsoft" for product "Windows 10 22h2" | < 10.0.19045.3324 Search vendor "Microsoft" for product "Windows 10 22h2" and version " < 10.0.19045.3324" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 11 21h2 Search vendor "Microsoft" for product "Windows 11 21h2" | < 10.0.22000.2295 Search vendor "Microsoft" for product "Windows 11 21h2" and version " < 10.0.22000.2295" | arm64 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 11 21h2 Search vendor "Microsoft" for product "Windows 11 21h2" | < 10.0.22000.2295 Search vendor "Microsoft" for product "Windows 11 21h2" and version " < 10.0.22000.2295" | x64 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 11 22h2 Search vendor "Microsoft" for product "Windows 11 22h2" | < 10.0.22621.2134 Search vendor "Microsoft" for product "Windows 11 22h2" and version " < 10.0.22621.2134" | arm64 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 11 22h2 Search vendor "Microsoft" for product "Windows 11 22h2" | < 10.0.22621.2134 Search vendor "Microsoft" for product "Windows 11 22h2" and version " < 10.0.22621.2134" | x64 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | sp1, x64 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | r2 Search vendor "Microsoft" for product "Windows Server 2012" and version "r2" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2022 Search vendor "Microsoft" for product "Windows Server 2022" | - | - |
Affected
| ||||||