CVE-2006-3899 Denial of service in n/a
Remote attackers can crash Internet Explorer by triggering an invalid memory access in an ActiveX control, requiring user interaction to visit a malicious page.
- 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-2006-3899?
CVE-2006-3899 is a medium-severity denial of service vulnerability in Microsoft Internet Explorer, published on 27 Jul 2006. 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 Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.
Which versions are affected by CVE-2006-3899?
It affects 1 product.
Products include Microsoft Internet Explorer.
How do I fix CVE-2006-3899?
No fix has been published for CVE-2006-3899 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-2006-3899 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-3899 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Internet Explorer
- CVE-2014-1776 Microsoft Internet Explorer Memory Corruption
- CVE-2021-27085 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0222 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0210 Microsoft Internet Explorer Privilege Escalation
- CVE-2017-0149 Microsoft Internet Explorer Memory Corruption
Sources
Also known as GHSA-cmmc-r884-f54q.