CVE-2024-43581: Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

Overview

Severity
High (CVSS 7.1)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Category
Remote Code Execution
Exploit Status
Not Exploited
Exploitation Likelihood
More Likely
Patch Tuesday
2024-Oct
Released
2024-10-08
EPSS Score
3.89% (percentile: 88.3%)

FAQ

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to have access to the location where the target file will be run. They would then need to plant a specific file that would be used as part of the exploitation. According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to gather information specific to the environment and take additional actions prior to exploitation to prepare the target environment. According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? Successful exploitation of this vulnerability requires the victim to perform a specific file management operation to trigger the vulnerability. According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution? This attack requires a victim to perform a specific action, such as copying files or executing a command, and for an attacker with appropriate access to have pre-planted malicious files with knowledge of where they should be placed on the victim's system. According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? The user would have to access a malicious folder or directory. Users should never open anything that they do not know or trust to be safe.

Affected Products (21)

Windows

  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows 11 version 21H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems

Security Updates (7)

Acknowledgments

Anonymous, <a href="https://github.com/tmds/">Tom Deseyn</a> with Red Hat

Revision History

  • 2024-10-08: Information published.