SB2020011432 - Multiple vulnerabilities in Microsoft .NET Framework and Core
Published: January 14, 2020 Updated: March 25, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Input validation error (CVE-ID: CVE-2020-0605)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when the software fails to check the source markup of a file. A remote attacker can trick a victim to open s specially crafted file and execute arbitrary code in the context of the current user.
2) Input validation error (CVE-ID: CVE-2020-0606)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when the software fails to check the source markup of a file. A remote attacker can trick a victim to open s specially crafted file and execute arbitrary code in the context of the current user.
3) Input validation error (CVE-ID: CVE-2020-0646)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the Microsoft .NET Framework. A remote attacker can pass specific input to an application utilizing susceptible .Net methods and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.