Denicomp Winsock RSHD-NT up to 2.21.00 Port wrshdsp.exe denial of service

Summaryinfo

A vulnerability categorized as problematic has been discovered in Denicomp Winsock RSHD-NT up to 2.21.00. Affected by this vulnerability is an unknown functionality of the file wrshdsp.exe of the component Port Handler. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2001-1184. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Denicomp Winsock RSHD-NT up to 2.21.00. Affected by this issue is an unknown functionality of the file wrshdsp.exe of the component Port Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024.

The weakness was disclosed 12/08/2001 by Martin with Yandex (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2001-1184. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (7694), Exploit-DB (21174) and SecurityFocus (BID 3659†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Denicomp

Name

• Winsock RSHD-NT

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21.00

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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