CVE-2017-0084 Memory corruption in Windows Uniscribe

High 8.8 Published 17 Mar 2017 Updated 5 Aug 2024

Remote attackers can execute arbitrary code via a crafted website exploiting a memory corruption flaw in Windows Uniscribe.

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-2017-0084?

CVE-2017-0084 is a high-severity memory corruption vulnerability in Microsoft Windows 10, published on 17 Mar 2017. 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

Uniscribe in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allows remote attackers to execute arbitrary code via a crafted web site, aka "Windows Uniscribe Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0072, CVE-2017-0083, CVE-2017-0086, CVE-2017-0087, CVE-2017-0088, CVE-2017-0089, and CVE-2017-0090.

Weakness: CWE-119

Which versions are affected by CVE-2017-0084?

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-2017-0084?

No fix has been published for CVE-2017-0084 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-0084 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-0084 exists.

Public exploit code: 1 Exploit-DB entry.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-6c4j-fhmx-54hj.