#VU29003 Path traversal in Converged Security and Management Engine (CSME) and Intel Trusted Execution Engine Firmware - CVE-2020-0539

 

#VU29003 Path traversal in Converged Security and Management Engine (CSME) and Intel Trusted Execution Engine Firmware - CVE-2020-0539

Published: June 12, 2020


Vulnerability identifier: #VU29003
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-0539
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Converged Security and Management Engine (CSME)
Intel Trusted Execution Engine Firmware
Software vendor:
Intel

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in subsystem for Intel(R) DAL software for Intel(R) CSME. A local user can send a specially crafted HTTP request and cause a denial of service condition on the system.

Note: This vulnerability affects the following versions of Intel CSME and TXE:

CSME:

  • 11.0 through 11.8.76
  • 11.10 through 11.12.76
  • 11.20 through 11.22.76
  • 12.0 through 12.0.63
  • 13.0.31 and 14.0.32
TXE:

  • 3.0 through 3.1.70
  • 4.0 through 4.0.20



Remediation

Install update from vendor's website.

External links