Omnicron OmniHTTPD 1.1/2.0 visadmin.exe denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Omnicron OmniHTTPD 1.1/2.0. Affected is an unknown function of the file visadmin.exe. Such manipulation leads to denial of service. This vulnerability is traded as CVE-1999-0970. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Omnicron OmniHTTPD 1.1/2.0 (Web Server) and classified as problematic. Affected by this issue is an unknown code block of the file visadmin.exe. 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:

The OmniHTTPD visadmin.exe program allows a remote attacker to conduct a denial of service via a malformed URL which causes a large number of temporary files to be created.

The weakness was shared 06/05/1999 by FIRST as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-1999-0970. 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.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 10295 (OmniHTTPd visadmin.exe Malformed URL DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10139 (Omnicron OmniHTTPd Visiadmin.exe Denial of Service Vulnerability).

Upgrading to version 2.0 eliminates this vulnerability. Attack attempts may be identified with Snort ID 867. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 895.

The vulnerability is also documented in the databases at X-Force (2271), Exploit-DB (20304), Tenable (10295), SecurityFocus (BID 1808†) and Vulnerability Center (SBV-446†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Nessus ID: 10295
Nessus Name: OmniHTTPd visadmin.exe Malformed URL DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OmniHTTPD 2.0

Snort ID: 867
Snort Message: SERVER-WEBAPP visadmin.exe access
Snort Class: 🔍
TippingPoint: 🔍
SourceFire IPS: 🔍

Timelineinfo

06/05/1999 🔍
06/05/1999 +0 days 🔍
06/05/1999 +0 days 🔍
06/05/1999 +0 days 🔍
06/22/1999 +17 days 🔍
12/19/2002 +1276 days 🔍
06/20/2014 +4201 days 🔍
10/21/2025 +4141 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: FIRST
Status: Confirmed

CVE: CVE-1999-0970 (🔍)
GCVE (CVE): GCVE-0-1999-0970
GCVE (VulDB): GCVE-100-14684
X-Force: 2271 - Visadmin.exe CGI program with OmniHTTPd can be used to consume the server`s hard drive
SecurityFocus: 1808 - OmniHTTPD visiadmin.exe Denial of Service Vulnerability
Vulnerability Center: 446 - DoS in OmniHTTPD visiadmin.exe via Malformed URL Creating Multiple Temp Files, High

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

Entryinfo

Created: 06/21/2014 00:52
Updated: 10/21/2025 07:22
Changes: 06/21/2014 00:52 (74), 05/06/2019 20:14 (1), 01/20/2025 18:52 (27), 10/21/2025 07:22 (2)
Complete: 🔍
Cache ID: 216::103

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