CVE-2020-16879: Projected Filesystem Information Disclosure Vulnerability

Overview

Severity
Medium (CVSS 5.5)
CVSS Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
Category
Information Disclosure
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2020-Sep
Released
2020-09-08
EPSS Score
0.73% (percentile: 72.6%)

Description

An information disclosure vulnerability exists when a Windows Projected Filesystem improperly handles file redirections. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user's system To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability. The security update addresses the vulnerability by correcting how Windows Projected Filesystem handle file redirections.

FAQ

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is unauthorized file system access - reading from the file system.

Affected Products (17)

Other

  • 11568
  • 11569
  • 11570
  • 11571
  • 11572
  • 11712
  • 11713
  • 11714
  • 11715
  • 11644
  • 11645
  • 11646
  • 11647
  • 11766
  • 11767
  • 11768
  • 11769

Security Updates (3)

Acknowledgments

Zhiniang Peng <a href="https://twitter.com/edwardzpeng">(@edwardzpeng)</a> and <a href="https://twitter.com/lxf02942370">Xuefeng Li</a>

Revision History

  • 2020-09-08: Information published.