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Websense reports China Netcom DNS cache poisoning
The DNS server of one of China's largest ISPs has been poisoned to redirect typos to a malicious site rigged with drive-by exploits.According to a warning from Websense Security Labs, the DNS poisoning attacks are affecting customers of China Netcom (CNC) and are using a malicious iFrame to launch exploits for known vulnerabilities in RealNetworks' RealPlayer, Adobe Flash Player and Microsoft Snapshot Viewer.
The DNS server of one of China's largest ISPs has been poisoned to redirect typos to a malicious site rigged with drive-by exploits.
According to a warning from Websense Security Labs, the DNS poisoning attacks are affecting customers of China Netcom (CNC) and are using a malicious iFrame to launch exploits for known vulnerabilities in RealNetworks' RealPlayer, Adobe Flash Player and Microsoft Snapshot Viewer.
- When users mistype a domain name, they are sometimes directed by their ISPs to a placeholder Web site with generic advertisements. This is typically an additional revenue source for the ISP. In the case of CNC, customers of this prominent ISP are directed to a Web site under the control of an attacker.