#VU6475 Security bypass in Microsoft .NET Framework - CVE-2017-0248
Published: May 9, 2017
Vulnerability identifier: #VU6475
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-0248
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft .NET Framework
Microsoft .NET Framework
Software vendor:
Microsoft
Microsoft
Description
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.
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.