Microsoft WebTV UDP Packet annclist.exe denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft WebTV. Affected by this vulnerability is an unknown functionality of the file annclist.exe of the component UDP Packet Handler. This manipulation causes denial of service. This vulnerability is handled as CVE-2000-0830. Additionally, an exploit exists. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability has been found in Microsoft WebTV (affected version unknown) and classified as problematic. Affected by this vulnerability is an unknown functionality of the file annclist.exe of the component UDP Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

annclist.exe in webTV for Windows allows remote attackers to cause a denial of service by via a large, malformed UDP packet to ports 22701 through 22705.

The weakness was released 11/14/2000 by Andrew as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2000-0830. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

Proper firewalling of udp/22701 - udp/22705 is able to address this issue.

The vulnerability is also documented in the databases at X-Force (5216), Exploit-DB (20219), SecurityFocus (BID 1671†) and Vulnerability Center (SBV-4336†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

09/12/2000 🔍
09/12/2000 +0 days 🔍
11/14/2000 +63 days 🔍
11/14/2000 +0 days 🔍
05/23/2004 +1286 days 🔍
06/27/2014 +3687 days 🔍
03/16/2025 +3915 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com
Researcher: Andrew
Status: Not defined

CVE: CVE-2000-0830 (🔍)
GCVE (CVE): GCVE-0-2000-0830
GCVE (VulDB): GCVE-100-15961
X-Force: 5216 - WebTV UDP packet will cause a denial of service
SecurityFocus: 1671 - Microsoft WebTV DoS Vulnerability
Vulnerability Center: 4336 - [MS00-074] WebTV Allows DoS via Large UDP Packet, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/27/2014 18:10
Updated: 03/16/2025 12:52
Changes: 06/27/2014 18:10 (64), 05/21/2019 16:56 (1), 03/16/2025 12:52 (21)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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