CVE-2005-1649 Denial of service in n/a
Remote attackers can cause CPU exhaustion and denial of service via malformed TCP packets when Windows Firewall is disabled.
- 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-2005-1649?
CVE-2005-1649 is a medium-severity denial of service vulnerability in Microsoft Windows 2003 Server, published on 18 May 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the "Land" vulnerability (CVE-1999-0016).
Which versions are affected by CVE-2005-1649?
It affects 2 products.
Products include Microsoft Windows 2003 Server, Microsoft Windows Xp.
How do I fix CVE-2005-1649?
No fix has been published for CVE-2005-1649 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-2005-1649 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2005-1649 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Windows 2003 Server
Sources
Also known as GHSA-5c76-645p-3q47.