July 2020 - Microsoft Releases Security Patches
Advisory Date: JUL 14, 2020
DESCRIPTION
Microsoft addresses several vulnerabilities in its July security bulletin. Trend Micro Deep Security covers the following:
- CVE-2020-1436 - Windows Font Library Remote Code Execution Vulnerability
Risk Rating: Critical
This remote code execution vulnerability exists in the improper handling of specially crafted fonts by the Windows font library. Attackers looking to take advantage of this vulnerability could persuade a user to click on a link that will lead to a specially crafted website that hosts an exploit to this vulnerability, or through a file-sharing session where the attacker sends a specially crafted document. - CVE-2020-1421 - LNK Remote Code Execution Vulnerability
Risk Rating: Critical
This remote code execution vulnerability exists in the processing of .LNK files by Windows. Attackers looking to take advantage of this vulnerability could persuade a user to access a file through a remote shared folder or removable drive. - CVE-2020-1400 - Jet Database Engine Remote Code Execution Vulnerability
Risk Rating: Important
This remote code execution vulnerability exists in the handling of objects in memory by the Windows Jet Database engine. Attackers looking to take advantage of this vulnerability could persuade a user to open a specially crafted file. - CVE-2020-1355 - Windows Font Driver Host Remote Code Execution Vulnerability
Risk Rating: Important
This remote code execution vulnerability exists in the way the handling of memory by the Windows Font Driver Host. - CVE-2020-1374 - Remote Desktop Client Remote Code Execution Vulnerability
Risk Rating: Critical
This remote code execution vulnerability exists in the Windows Remote Desktop Client. Attackers looking to exploit this vulnerability must find a way to control the server and convince a user to connect to it. - CVE-2020-1403 - VBScript Remote Code Execution Vulnerability
Risk Rating: Critical
This remote code execution vulnerability exists in the way the handling of objects in memory by the VBScript engine. Attackers looking to exploit this vulnerability could find ways to convince a user of a vulnerable machine to connect to a malicious website.
TREND MICRO PROTECTION INFORMATION
Trend Micro Deep Security shields networks through the following Deep Packet Inspection (DPI) rules. Trend Micro customers using the Vulnerability Protection are also protected from attacks using these vulnerabilities.
| Vulnerability ID | DPI Rule Number | DPI Rule Name | Release Date | Vulnerability Protection Compatibility |
| CVE-2020-1436 | 1010404 | Microsoft Windows PFB Font File Out-Of-Bounds Write Privilege Escalation Vulnerability (CVE-2020-1436) | 14-Jul-20 | YES |
| CVE-2020-1421 | 1010395 | Microsoft Windows LNK Remote Code Execution Vulnerability Over WebDAV (CVE-2020-1421) | 14-Jul-20 | YES |
| CVE-2020-1400 | 1010397 | Microsoft Windows JET Database Engine Remote Code Execution Vulnerability (CVE-2020-1400) | 14-Jul-20 | YES |
| CVE-2020-1355 | 1010403 | Microsoft Windows Font Parsing Remote Code Execution Vulnerability (CVE-2020-1355) | 14-Jul-20 | YES |
| CVE-2020-1374 | 1010402 | Microsoft Windows Remote Desktop Client Remote Code Execution Vulnerability (CVE-2020-1374) | 14-Jul-20 | YES |
| CVE-2020-1403 | 1010393 | Microsoft Internet Explorer VBScript Remote Code Execution Vulnerability (CVE-2020-1403) | 14-Jul-20 | YES |
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