CVE-2005-4840 Null dereference in n/a
Remote attackers can crash Internet Explorer 6 by instantiating the Outlook Express Address Book COM object, 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-2005-4840?
CVE-2005-4840 is a medium-severity vulnerability in n/a, published on 7 Jun 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
The Outlook Express Address Book control, when using Internet Explorer 6, allows remote attackers to cause a denial of service (NULL dereference and browser crash) by creating the OutlookExpress.AddressBook COM object, which is not intended for use within Internet Explorer.
Weakness: CWE-119
Which versions are affected by CVE-2005-4840?
It affects 1 product.
Products include Microsoft Outlook Express Book Control.
How do I fix CVE-2005-4840?
No fix has been published for CVE-2005-4840 yet. Limit exposure of the affected software until one is available.
Is CVE-2005-4840 being exploited?
There is no known exploitation of CVE-2005-4840 in the wild and no public exploit code.
Sources
Also known as GHSA-gggx-f55h-83w3.