CVE-2020-1577 DirectWrite Information Disclosure Vulnerability
An attacker can obtain sensitive memory information by tricking a user into opening a crafted document or visiting a malicious webpage, aiding further system compromise.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1577?
CVE-2020-1577 is a high-severity vulnerability in Microsoft Windows 10, published on 17 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An information disclosure vulnerability exists when DirectWrite improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how DirectWrite handles objects in memory.
Which versions are affected by CVE-2020-1577?
It affects 8 products.
Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.
How do I fix CVE-2020-1577?
No fix has been published for CVE-2020-1577 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1577 being exploited?
There is no known exploitation of CVE-2020-1577 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-25qw-9qm7-q8v7.