CVE-2007-1239 Null dereference in n/a

Medium 4.3 Published Updated

Remote attackers can crash Microsoft Excel 2003 by tricking users into opening a corrupted XLS file, causing a denial of service.

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-2007-1239?

CVE-2007-1239 is a medium-severity vulnerability in Microsoft Excel, published on 3 Mar 2007. 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

Microsoft Excel 2003 does not properly parse .XLS files, which allows remote attackers to cause a denial of service (application crash) via a file with a (1) corrupted XML format or a (2) corrupted XLS format, which triggers a NULL pointer dereference.

Which versions are affected by CVE-2007-1239?

It affects 1 product.

Products include Microsoft Excel.

How do I fix CVE-2007-1239?

No fix has been published for CVE-2007-1239 yet. Limit exposure of the affected software until one is available.

Is CVE-2007-1239 being exploited?

There is no known exploitation of CVE-2007-1239 in the wild and no public exploit code.

All Microsoft Excel vulnerabilities

Sources

Also known as GHSA-5gxq-24fg-9r6c.

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