A vulnerability classified as problematic has been found in Microsoft Windows 98/2000 (Operating System). This affects an unknown part of the component Java Applet Handler. The manipulation as part of a UDP Socket leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Windows 98 and Windows 2000 Java clients allow remote attackers to cause a denial of service via a Java applet that opens a large number of UDP sockets, which prevents the host from establishing any additional UDP connections, and possibly causes a crash.

The issue has been introduced in 06/25/1998. The weakness was disclosed 05/03/2001 by Georgi Guninski (Website). The advisory is shared at archives.neohapsis.com. This vulnerability is uniquely identified as CVE-2001-0324. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1043 days. During that time the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (20613) and SecurityFocus (BID 2340†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 98
• 2000

License

• commercial

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