Deserialization of Untrusted Data in Azure DevOps Server - CVE-2023-38155

 

Deserialization of Untrusted Data in Azure DevOps Server - CVE-2023-38155

Published: September 12, 2023 / Updated: September 14, 2023


Vulnerability identifier: #VU80692
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-38155
CWE-ID: CWE-502
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Azure DevOps Server

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure input validation when processing serialized data within the MachinePropertyBag class. A local user can pass specially crafted data to the server and execute arbitrary code with elevated privileges.


How to mitigate CVE-2023-38155

Install updates from vendor's website.

Sources