CVE-2024-38231

Improper Authorization (CWE-285)

Published: Sep 10, 2024

010
CVSS 6.5EPSS 0.04%Medium
CVE info copied to clipboard

Summary

Windows Remote Desktop Licensing Service is vulnerable to a denial of service attack. This vulnerability affects various versions of Windows Server, including Server 2008, 2012, 2016, 2019, 2022, and 2022 23H2. The vulnerability is due to improper authorization (CWE-285) in the Remote Desktop Licensing Service.

Impact

An attacker can exploit this vulnerability to cause a denial of service, potentially disrupting the availability of the Remote Desktop Licensing Service. This could affect organizations relying on Remote Desktop Services, particularly in enterprise environments. The attack vector is network-based, requires no user interaction, and can be executed with low attack complexity. The vulnerability only impacts the availability of the system, with no effects on integrity or confidentiality.

Exploitation

There is no evidence that a public proof-of-concept exists. There is no evidence of proof of exploitation at the moment.

Patch

Yes, a patch is available. Microsoft has released updates to address this vulnerability. The patches were made available on September 10, 2024.

Mitigation

1. Apply the latest security updates provided by Microsoft for the affected Windows Server versions. 2. For Windows Server 2019, update to a version newer than 10.0.17763.6293. 3. For Windows Server 2022 23H2, update to a version newer than 10.0.25398.1128. 4. For Windows Server 2016, update to a version newer than 10.0.14393.7336. 5. For Windows Server 2022, update to a version newer than 10.0.20348.2700. 6. If immediate patching is not possible, consider limiting network access to the Remote Desktop Licensing Service to trusted IP addresses only. 7. Monitor for any unusual activity or attempts to exploit this vulnerability in your network logs. 8. Ensure that your overall security posture is robust, including keeping all systems and software up to date, implementing strong access controls, and following the principle of least privilege.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Timeline

Detection in Vulnerability Scanners

Detection for the vulnerability has been added to Qualys (92169)

Sep 10, 2024 at 7:53 AM
CVSS

A CVSS base score of 6.5 has been assigned.

Sep 10, 2024 at 4:55 PM / microsoft
First Article

Feedly found the first article mentioning CVE-2024-38231. See article

Sep 10, 2024 at 5:00 PM / Microsoft Security Advisories - MSRC
CVSS Estimate

Feedly estimated the CVSS score as HIGH

Sep 10, 2024 at 5:02 PM
CVE Assignment

NVD published the first details for CVE-2024-38231

Sep 10, 2024 at 5:15 PM
CVSS Estimate

Feedly estimated the CVSS score as MEDIUM

Sep 10, 2024 at 5:39 PM
EPSS

EPSS Score was set to: 0.04% (Percentile: 14.1%)

Sep 11, 2024 at 10:12 AM
CVSS

A CVSS base score of 7.5 has been assigned.

Sep 17, 2024 at 4:55 PM / nvd
EPSS

EPSS Score was set to: 0.06% (Percentile: 28.5%)

Nov 19, 2024 at 2:46 PM
Static CVE Timeline Graph

Affected Systems

Microsoft/windows_server_2019
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Patches

Microsoft
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Links to Mitre Att&cks

T1574.010: Services File Permissions Weakness
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Attack Patterns

CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs
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References

September 2024 Security Updates - Release Notes - Security Update Guide - Microsoft
Windows TCP/IP CVE-2024-21416 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-26186 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-26191 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Security Zone Mapping CVE-2024-30073 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37335 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37337 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37338 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37339 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37340 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37341 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37342 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37965 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37966 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-37980 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Installer CVE-2024-38014 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Detected Yes No No Microsoft Office SharePoint CVE-2024-38018 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows TCP/IP CVE-2024-38045 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows PowerShell CVE-2024-38046 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Network Address Translation (NAT) CVE-2024-38119 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Azure Network Watcher CVE-2024-38188 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Azure Web Apps CVE-2024-38194 8.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Azure Stack CVE-2024-38216 8.2 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Mark of the Web (MOTW) CVE-2024-38217 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:F/RL:O/RC:C Exploitation Detected Yes No No Azure Stack CVE-2024-38220 9.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Dynamics Business Central CVE-2024-38225 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Office Publisher CVE-2024-38226 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Detected Yes No No Microsoft Office SharePoint CVE-2024-38227 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Office SharePoint CVE-2024-38228 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows Standards-Based Storage Management Service CVE-2024-38230 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely No No No Windows Remote Desktop Licensing Service CVE-2024-38231 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Network Virtualization CVE-2024-38232 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely No No No Windows Network Virtualization CVE-2024-38233 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely No No No Windows Network Virtualization CVE-2024-38234 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Role: Windows Hyper-V CVE-2024-38235 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows DHCP Server CVE-2024-38236 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely No No No Microsoft Streaming Service CVE-2024-38237 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Streaming Service CVE-2024-38238 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows Kerberos CVE-2024-38239 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Remote Access Connection Manager CVE-2024-38240 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Streaming Service CVE-2024-38241 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Streaming Service CVE-2024-38242 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Streaming Service CVE-2024-38243 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Streaming Service CVE-2024-38244 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Streaming Service CVE-2024-38245 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows Win32K - GRFX CVE-2024-38246 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Graphics Component CVE-2024-38247 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows Storage CVE-2024-38248 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Graphics Component CVE-2024-38249 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Graphics Component CVE-2024-38250 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Win32K - ICOMP CVE-2024-38252 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows Win32K - ICOMP CVE-2024-38253 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows Authentication Methods CVE-2024-38254 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Kernel-Mode Drivers CVE-2024-38256 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows AllJoyn API CVE-2024-38257 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Remote Desktop Licensing Service CVE-2024-38258 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Management Console CVE-2024-38259 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Remote Desktop Licensing Service CVE-2024-38260 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Remote Desktop Licensing Service CVE-2024-38263 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Remote Desktop Licensing Service CVE-2024-43454 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Remote Desktop Licensing Service CVE-2024-43455 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Setup and Deployment CVE-2024-43457 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Windows Network Virtualization CVE-2024-43458 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows MSHTML Platform CVE-2024-43461 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Office Visio CVE-2024-43463 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Office SharePoint CVE-2024-43464 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation More Likely Yes No No Microsoft Office Excel CVE-2024-43465 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Office SharePoint CVE-2024-43466 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely No No No Windows Remote Desktop Licensing Service CVE-2024-43467 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Azure CycleCloud CVE-2024-43469 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Azure Network Watcher CVE-2024-43470 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No SQL Server CVE-2024-43474 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Admin Center CVE-2024-43475 7.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Dynamics 365 (on-premises) CVE-2024-43476 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Power Automate CVE-2024-43479 8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Microsoft Outlook for iOS CVE-2024-43482 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Mark of the Web (MOTW) CVE-2024-43487 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C Exploitation More Likely Yes No No Windows Update CVE-2024-43491 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Detected Yes No No Microsoft AutoUpdate (MAU) CVE-2024-43492 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No Windows Libarchive CVE-2024-43495 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Exploitation Less Likely Yes No No
Windows Remote Desktop Licensing Service Denial of Service Vulnerability
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)

News

CVE-2024-38231 Windows Remote Desktop Licensing Service Denial of Service Vulnerability
September 2024 – Microsoft Patch Tuesday Highlights
Spoofing, Denial of Service (DoS), Elevation of Privilege (EoP), Information Disclosure, Security Feature Bypass, and Remote Code Execution (RCE) are among the vulnerabilities that Microsoft has addressed in several software products. Updates for vulnerabilities in Microsoft Office and Components, Windows Hyper-V, Windows DHCP Server, Microsoft Streaming Service, Microsoft Management Console, Windows MSHTML Platform, Microsoft Dynamics 365 (on-premises), and other areas are included in the September edition of Microsoft Patch Tuesday.
September Patch Tuesday addresses 79 CVEs – Sophos News
In addition to these patches, the release includes advisory information on three CVEs addressed by patches from Adobe, affecting Reader and ColdFusion; one of the Reader vulnerabilities CVE-2024-41869) is a critical-severity use-after-free with a workable exploit already available in the wild. The bad news, for those still running either of those versions, is that critical-severity remote code execution issue, which carries a 9.8 CVE base score, occurs in… the Windows Servicing Stack.
September Patch Tuesday addresses 79 CVEs
In addition to these patches, the release includes advisory information on three CVEs addressed by patches from Adobe, affecting Reader and ColdFusion; one of the Reader vulnerabilities CVE-2024-41869) is a critical-severity use-after-free with a workable exploit already available in the wild. The bad news, for those still running either of those versions, is that critical-severity remote code execution issue, which carries a 9.8 CVE base score, occurs in… the Windows Servicing Stack.
Microsoft Security Bulletin Coverage For September 2024
SonicWall Capture Labs threat research team has analyzed and addressed Microsoft’s security advisories for the month of September 2024 and has produced coverage for 9 of the reported vulnerabilities. Microsoft’s September 2024 Patch Tuesday has 79 vulnerabilities, of which 30 are Elevation of Privilege.
See 29 more articles and social media posts

CVSS V3.1

Attack Vector:Network
Attack Complexity:Low
Privileges Required:Low
User Interaction:None
Scope:Unchanged
Confidentiality:None
Integrity:None
Availability Impact:High

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