SB2019111217 - Information disclosure in Windows Servicing Stack
Published: November 12, 2019
Security Bulletin ID
SB2019111217
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Link following (CVE-ID: CVE-2019-1381)
CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to the Windows Servicing Stack allows access to unprivileged file locations. A local user can create a specially crafted symbolic link and read contents of restricted files on the system.
Remediation
Install update from vendor's website.