SB2017050909 - Security bypass in Microsoft .NET Framework
Published: May 9, 2017
Security Bulletin ID
SB2017050909
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security bypass (CVE-ID: CVE-2017-0248)
The vulnerability allows a remote attacker to bypass certain security restrictions on the target system.The weakness exists due to improper validation of certificates by Microsoft .NET Framework (and .NET Core) components. A remote attacker can force the usage of invalid certificates for certain use by affected component, disregard the Enhanced Key Usage taggings and bypass security restrictions.
Successful exploitation of the vulnerability results in security bypass.
Remediation
Install update from vendor's website.