Microsoft FrontPage Server Extensions 2000/2002 Remote Debug memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as very critical has been discovered in Microsoft FrontPage Server Extensions 2000/2002. Affected by this issue is some unknown functionality of the component Remote Debug Handler. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2003-0822. The attack can be executed remotely. Additionally, an exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft FrontPage Server Extensions 2000/2002. It has been rated as very critical. Affected by this issue is an unknown functionality of the component Remote Debug Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the debug functionality in fp30reg.dll of Microsoft FrontPage Server Extensions (FPSE) 2000 and 2002 allows remote attackers to execute arbitrary code via a crafted chunked encoded request.

The bug was discovered 11/11/2003. The weakness was released 11/11/2003 by Brett Moore with Security-Assessment as MS03-051 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is handled as CVE-2003-0822 since 09/18/2003. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/07/2025).

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 11923 (Microsoft FrontPage Server Extensions (fp30reg.dll) Debug Function Remote Overflow (MS03-051 / 813360)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11329 (Microsoft FrontPage Server Extensions Remote Debug Buffer Overrun Vulnerability (MS03-051)).

Applying the patch MS03-051 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Attack attempts may be identified with Snort ID 6410. In this case the pattern fp30reg.dll is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2486.

The vulnerability is also documented in the databases at X-Force (13674), Exploit-DB (121), Tenable (11923), SecurityFocus (BID 9007†) and OSVDB (2800†). securityfocus.com is providing further details. Entries connected to this vulnerability are available at VDB-387 and VDB-81907. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
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Nessus ID: 11923
Nessus Name: Microsoft FrontPage Server Extensions (fp30reg.dll) Debug Function Remote Overflow (MS03-051 / 813360)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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OpenVAS ID: 101012
OpenVAS Name: Microsoft MS03-051 security check
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/frontpage_remote_debug
Saint Name: FrontPage fp30reg.dll remote debug buffer overflow

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ms03_051_fp30reg_chunked.rb
MetaSploit Name: MS03-051 Microsoft IIS ISAPI FrontPage fp30reg.dll Chunked Overflow
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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS03-051

Snort ID: 6410
Snort Message: WEB-FRONTPAGE frontpage server extension long host string overflow attempt
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Timelineinfo

09/18/2003 🔍
11/11/2003 +54 days 🔍
11/11/2003 +0 days 🔍
11/11/2003 +0 days 🔍
11/11/2003 +0 days 🔍
11/11/2003 +0 days 🔍
11/11/2003 +0 days 🔍
11/12/2003 +0 days 🔍
11/12/2003 +0 days 🔍
11/13/2003 +1 days 🔍
12/15/2003 +32 days 🔍
03/07/2025 +7753 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS03-051
Researcher: Brett Moore
Organization: Security-Assessment
Status: Confirmed

CVE: CVE-2003-0822 (🔍)
GCVE (CVE): GCVE-0-2003-0822
GCVE (VulDB): GCVE-100-386

OVAL: 🔍

CERT: 🔍
X-Force: 13674 - Microsoft FrontPage Server Extensions debug buffer overflow, High Risk
SecurityFocus: 9007 - Microsoft FrontPage Server Extensions Remote Debug Buffer Overrun Vulnerability
Secunia: 10195 - Microsoft Frontpage Server Extensions Remotely Exploitable Buffer Overflow, Highly Critical
OSVDB: 2800 - Microsoft FrontPage Server Extensions SmartHTML DoS
SecuriTeam: securiteam.com
Vulnerability Center: 2832 - [MS03-051] Microsoft FrontPage Server Extensions 2002/2000 Allows Code Execution, High

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

Created: 11/12/2003 11:57
Updated: 03/07/2025 11:26
Changes: 11/12/2003 11:57 (119), 06/27/2019 09:22 (2), 06/15/2024 21:43 (16), 12/31/2024 08:12 (1), 03/07/2025 11:26 (1)
Complete: 🔍
Cache ID: 216:6E9:103

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