CVE-2017-0283 Memory corruption in Uniscribe
Remote attackers can execute arbitrary code via memory corruption in Windows Uniscribe, affecting multiple Windows and Office versions.
- 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-2017-0283?
CVE-2017-0283 is a high-severity memory corruption vulnerability in Microsoft Office, published on 15 Jun 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 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, 1607, Windows Server 2016, Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office Word Viewer, Microsoft Lync 2013 SP1, Skype for Business 2016, Microsoft Silverlight 5 Developer Runtime when installed on Microsoft Windows, and Microsoft Silverlight 5 when installed on Microsoft Windows allows a remote code execution vulnerability due to the way it handles objects in memory, aka "Windows Uniscribe Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8528.
Which versions are affected by CVE-2017-0283?
It affects 11 products.
Products include Microsoft Lync, Microsoft Office, Microsoft Office Word Viewer, Microsoft Silverlight, Microsoft Skype for Business, Microsoft Windows 10 and 5 more.
How do I fix CVE-2017-0283?
No fix has been published for CVE-2017-0283 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-2017-0283 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-0283 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-p5wr-7q8g-2cfw.