Microsoft FrontPage 97/98 htimage.exe/imagemap.exe memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft FrontPage 97/98. This affects an unknown part of the file htimage.exe/imagemap.exe. The manipulation results in memory corruption. This vulnerability was named CVE-2000-0256. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Microsoft FrontPage 97/98. It has been classified as critical. Affected is an unknown code block of the file htimage.exe/imagemap.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflows in htimage.exe and Imagemap.exe in FrontPage 97 and 98 Server Extensions allow a user to conduct activities that are not otherwise available through the web site, aka the "Server-Side Image Map Components" vulnerability.

The weakness was presented 04/19/2000 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2000-0256. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 10376 (Microsoft FrontPage htimage.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 86038 (Microsoft FrontPage Server Extensions htimage.exe/imagemap.exe Buffer Overflow and Absolute Path Disclosure Vulnerability (MS00-028)).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 1595.

The vulnerability is also documented in the databases at X-Force (34720), Exploit-DB (19853), Tenable (10376), SecurityFocus (BID 1117†) and Vulnerability Center (SBV-1236†). See VDB-15302 and VDB-37173 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10376
Nessus Name: Microsoft FrontPage htimage.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: 🔍
Snort ID: 1595
Snort Message: SERVER-IIS htimage.exe access
Snort Class: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

04/19/2000 🔍
04/19/2000 +0 days 🔍
04/19/2000 +0 days 🔍
04/19/2000 +0 days 🔍
04/19/2000 +0 days 🔍
06/23/2003 +1160 days 🔍
06/24/2014 +4019 days 🔍
10/18/2025 +4134 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2000-0256 (🔍)
GCVE (CVE): GCVE-0-2000-0256
GCVE (VulDB): GCVE-100-15468
X-Force: 34720
SecurityFocus: 1117 - MS Frontpage Image Mapper Buffer Overflow Vulnerability
Vulnerability Center: 1236 - [MS00-028] Buffer Overflow in FrontPage Server Extensions 97 / 98 Allows Code Execution, Medium

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

Entryinfo

Created: 06/24/2014 11:39
Updated: 10/18/2025 02:20
Changes: 06/24/2014 11:39 (42), 05/10/2019 09:02 (29), 02/03/2025 06:16 (27), 10/18/2025 02:20 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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