CVE-2020-1256 Windows GDI Information Disclosure Vulnerability

Medium 5.5 Published Updated

An attacker can obtain sensitive memory information from the Windows GDI component by tricking a user into opening a malicious document or visiting a malicious webpage.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-1256?

CVE-2020-1256 is a medium-severity vulnerability in Microsoft Windows 10, published on 11 Sep 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

<p>An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>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.</p> <p>The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory.</p>

Which versions are affected by CVE-2020-1256?

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-2020-1256?

No fix has been published for CVE-2020-1256 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1256 being exploited?

There is no known exploitation of CVE-2020-1256 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-8j65-rwm6-rvmf.

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