Denial of Service Vulnerability in Windows XP SP2 NAT Helper Components
CVE-2006-5614
Key Information:
- Vendor
Microsoft
- Vendor
- CVE Published:
- 31 October 2006
Badges
What is CVE-2006-5614?
The NAT Helper Components (ipnathlp.dll) of Microsoft Windows XP SP2, specifically when Internet Connection Sharing is enabled, are susceptible to a denial of service attack. Remote attackers can exploit this vulnerability by sending a malformed DNS query, leading to a null pointer dereference that crashes the svchost.exe process. This disruption could significantly affect network connectivity for users relying on the affected product.

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Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
88% chance of being exploited in the next 30 days.
Timeline
- π‘
Public PoC available
- πΎ
Exploit known to exist
Vulnerability published
Vulnerability Reserved