CVE-2019-1270 Path traversal in Windows

Medium 5.5 Published Updated

Attackers can exploit symbolic link vulnerabilities in the WindowsApps directory to achieve elevation of privilege on Windows systems.

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-2019-1270?

CVE-2019-1270 is a medium-severity path traversal vulnerability in Microsoft Windows 10, published on 11 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An elevation of privilege vulnerability exists in Windows store installer where WindowsApps directory is vulnerable to symbolic link attack, aka 'Microsoft Windows Store Installer Elevation of Privilege Vulnerability'.

Weakness: CWE-59

Which versions are affected by CVE-2019-1270?

It affects 3 products.

Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

How do I fix CVE-2019-1270?

No fix has been published for CVE-2019-1270 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2019-1270 being exploited?

There is no known exploitation of CVE-2019-1270 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-9gpv-rx7q-48r2.

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