Omnicron OmniHTTPD 1.1/2.4pro imagemap.exe memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Omnicron OmniHTTPD 1.1/2.4pro. This vulnerability affects unknown code of the file imagemap.exe. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-1999-0951. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Omnicron OmniHTTPD 1.1/2.4pro (Web Server) and classified as critical. This vulnerability affects an unknown code block of the file imagemap.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in OmniHTTPd CGI program imagemap.exe allows remote attackers to execute commands.

The weakness was presented 10/22/1999 by Shadow (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability was named CVE-1999-0951. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C and been published immediately after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 10122 (OmniHTTPd imagemap.exe CGI Remote Overflow), 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 10210 (CGI imagemap, imagemap.cgi or imagemap.exe Present Vulnerability).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 821. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4546.

The vulnerability is also documented in the databases at X-Force (3351), Exploit-DB (19566), Tenable (10122), SecurityFocus (BID 739†) and OSVDB (3380†). 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: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10122
Nessus Name: OmniHTTPd imagemap.exe CGI Remote Overflow
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: 🔍
Exploit Delay Time: 🔍
Snort ID: 821
Snort Message: SERVER-WEBAPP imagemap.exe overflow attempt
Snort Class: 🔍
TippingPoint: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

10/22/1999 🔍
10/22/1999 +0 days 🔍
10/22/1999 +0 days 🔍
10/22/1999 +0 days 🔍
10/22/1999 +0 days 🔍
10/22/1999 +0 days 🔍
10/09/2002 +1083 days 🔍
01/09/2004 +457 days 🔍
06/22/2014 +3816 days 🔍
10/21/2025 +4139 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Shadow
Status: Confirmed

CVE: CVE-1999-0951 (🔍)
GCVE (CVE): GCVE-0-1999-0951
GCVE (VulDB): GCVE-100-14908
X-Force: 3351
SecurityFocus: 739 - OmniHTTPD Buffer Overflow Vulnerability
OSVDB: 3380 - OmniHTTPd imagemap.exe Remote Overflow
Vulnerability Center: 56 - Buffer Overflow in OmniHTTPd CGI, High

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

Entryinfo

Created: 06/22/2014 13:56
Updated: 10/21/2025 08:47
Changes: 06/22/2014 13:56 (74), 05/04/2019 18:42 (6), 03/08/2025 21:02 (18), 10/21/2025 08:47 (2)
Complete: 🔍
Cache ID: 216::103

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