Microsoft Windows 2000 Internet Printing ISAPI Extension msw3prt.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Windows 2000 and classified as critical. Affected by this vulnerability is an unknown functionality in the library /WINNT/System32/msw3prt.dll of the component Internet Printing ISAPI Extension. The manipulation leads to memory corruption. This vulnerability is known as CVE-2001-0241. Furthermore, there is an exploit available. It is recommended to apply a patch to fix this issue. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Microsoft Windows 2000 (Operating System). Affected is an unknown part in the library /WINNT/System32/msw3prt.dll of the component Internet Printing ISAPI Extension. 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 overflow in Internet Printing ISAPI extension in Windows 2000 allows remote attackers to gain root privileges via a long print request that is passed to the extension through IIS 5.0.

The issue has been introduced in 02/17/2000. The weakness was shared 05/01/2001 by Riley Hassell (DiGiT) with eEye Digital Security as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability is traded as CVE-2001-0241. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/22/2025).

After 6 days, there has been an exploit disclosed. The exploit is shared for download at saintcorporation.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 439 days. During that time the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 10657 (MS01-023: Microsoft IIS 5.0 Malformed HTTP Printer Request Header Remote Buffer Overflow (953155) (uncredentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 971. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1129.

The vulnerability is also documented in the databases at X-Force (6485), Exploit-DB (266), Tenable (10657), SecurityFocus (BID 2674†) and OSVDB (3323†). The entry VDB-16822 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.3

VulDB Base Score: 10.0
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10657
Nessus Name: MS01-023: Microsoft IIS 5.0 Malformed HTTP Printer Request Header Remote Buffer Overflow (953155) (uncredentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10657
OpenVAS Name: NT IIS 5.0 Malformed HTTP Printer Request Header Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/iis_printer_isapi
Saint Name: Microsoft IIS 5.0 printer ISAPI extension buffer overflow

MetaSploit ID: ms01_023_printer.rb
MetaSploit Name: MS01-023 Microsoft IIS 5.0 Printer Host Header Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍
Snort ID: 971
Snort Message: SERVER-IIS ISAPI .printer access
Snort Class: 🔍

Suricata ID: 2100971
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

02/17/2000 🔍
05/01/2001 +439 days 🔍
05/01/2001 +0 days 🔍
05/01/2001 +0 days 🔍
05/01/2001 +0 days 🔍
05/07/2001 +6 days 🔍
06/27/2001 +51 days 🔍
06/27/2001 +0 days 🔍
12/11/2002 +532 days 🔍
01/06/2004 +391 days 🔍
07/04/2014 +3831 days 🔍
03/22/2025 +3914 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: cert.org
Researcher: Riley Hassell (DiGiT)
Organization: eEye Digital Security
Status: Confirmed

CVE: CVE-2001-0241 (🔍)
GCVE (CVE): GCVE-0-2001-0241
GCVE (VulDB): GCVE-100-16824

OVAL: 🔍

X-Force: 6485 - Microsoft IIS 5.0 ISAPI Internet Printing Protocol extension buffer overflow
SecurityFocus: 2674 - Microsoft IIS 5.0 .printer ISAPI Extension Buffer Overflow Vulnerability
OSVDB: 3323 - Microsoft IIS ISAPI .printer Extension Host Header Overflow
Vulnerability Center: 321 - [MS01-023] Buffer Overflow in IIS 5.0 .printer ISAPI Extension, Critical

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

Entryinfo

Created: 07/04/2014 03:53 PM
Updated: 03/22/2025 09:14 AM
Changes: 07/04/2014 03:53 PM (107), 05/06/2019 09:50 AM (1), 03/22/2025 09:14 AM (15)
Complete: 🔍
Cache ID: 18:EB6:40

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