CVE-2007-0087 Denial of service in n/a
Remote attackers can cause denial of service in IIS by exploiting Range headers with large TCP window sizes, though this requires non-default configurations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2007-0087?
CVE-2007-0087 is a high-severity denial of service vulnerability in Microsoft Internet Information Server, published on 5 Jan 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Microsoft Internet Information Services (IIS), when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal
Which versions are affected by CVE-2007-0087?
It affects 1 product.
Products include Microsoft Internet Information Server.
How do I fix CVE-2007-0087?
No fix has been published for CVE-2007-0087 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-2007-0087 being exploited?
There is no known exploitation of CVE-2007-0087 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Internet Information Server
- CVE-2008-0075 Code injection in n/a
- CVE-1999-1376 Buffer overflow in fpcount.exe in IIS 4.0 with FrontPage Server Extensions allows remote attackers to execute arbitrary commands.
- CVE-1999-0407 By default, IIS 4.0 has a virtual directory /IISADMPWD which contains files that can be used as proxies for brute force password attacks, or
- CVE-1999-0874 Memory corruption in n/a
- CVE-2009-3023 Memory corruption in n/a
Sources
Also known as GHSA-6332-3pxx-hqg9.