CVE-2019-1057 MS XML Remote Code Execution Vulnerability

High 7.5 Published Updated

An attacker can execute arbitrary code by tricking a user into visiting a malicious website that exploits the MSXML parser in Internet Explorer.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-1057?

CVE-2019-1057 is a high-severity vulnerability in Microsoft Windows 10, published on 14 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input. An attacker who successfully exploited the vulnerability could run malicious code remotely to take control of the user’s system. To exploit the vulnerability, an attacker could host a specially crafted website designed to invoke MSXML through a web browser. However, an attacker would have no way to force a user to visit such a website. Instead, an attacker would typically have to convince a user to either click a link in an email message or instant message that would then take the user to the website. When Internet Explorer parses the XML content, an attacker could run malicious code remotely to take control of the user’s system. The update addresses the vulnerability by correcting how the MSXML parser processes user input.

Weakness: CWE-611, CWE-94

Which versions are affected by CVE-2019-1057?

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-2019-1057?

No fix has been published for CVE-2019-1057 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1057 being exploited?

There is no known exploitation of CVE-2019-1057 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-5pgh-9cw4-w53h.

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