SB2019081414 - Singature validation bypass in Microsoft Windows
Published: August 14, 2019
Security Bulletin ID
SB2019081414
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2019-1163)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass signature validation mechanisms.
The vulnerability exists due to incorrect validation of signature for CAB files. A remote attacker can create a specially crafted CAB file with malicious code in it, bypass signature validation mechanisms and compromise vulnerable system.
Remediation
Install update from vendor's website.