CVE-2014-2730 Denial of service in n/a
Remote attackers can cause denial of service in Microsoft Office via crafted XML documents with nested entity references, requiring user interaction to open the file.
- 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-2014-2730?
CVE-2014-2730 is a medium-severity denial of service vulnerability in Microsoft Office, published on 5 Apr 2014. 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
The XML parser in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013, and Office for Mac 2011, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory consumption and persistent application hang) via a crafted XML document containing a large number of nested entity references, as demonstrated by a crafted text/plain e-mail message to Outlook, a similar issue to CVE-2003-1564.
Weakness: CWE-399
Which versions are affected by CVE-2014-2730?
It affects 1 product.
Products include Microsoft Office.
How do I fix CVE-2014-2730?
No fix has been published for CVE-2014-2730 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2014-2730 being exploited?
There is no known exploitation of CVE-2014-2730 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-9c28-2wjp-xr55.