Microsoft Internet Information Services 5.0 Authentication Mechanism webhits.dll CiWebhitsfile access control

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Information Services 5.0 and classified as critical. This impacts an unknown function in the library webhits.dll of the component Authentication Mechanism. The manipulation of the argument CiWebhitsfile results in access control. This vulnerability is identified as CVE-2007-2815. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Internet Information Services 5.0. Affected is an unknown code in the library webhits.dll of the component Authentication Mechanism. The manipulation of the argument CiWebhitsfile with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The "hit-highlighting" functionality in webhits.dll in Microsoft Internet Information Services (IIS) Web Server 5.0 only uses Windows NT ACL configuration, which allows remote attackers to bypass NTLM and basic authentication mechanisms and access private web directories via the CiWebhitsfile parameter to null.htw.

The bug was discovered 04/23/2007. The weakness was released 05/22/2007 by Jesus Olmos Gonzalez (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2007-2815 since 05/22/2007. 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 MITRE ATT&CK project declares the attack technique as T1068.

A public exploit has been developed in Shell File. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 29 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 31648 (Microsoft IIS webhits.dll Hit-Highlighting Authentication Bypass), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers, running in the context r and relying on port 80. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86765 (Microsoft Internet Information Server Hit Highlighting Authentication Bypass Vulnerability).

Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8179.

The vulnerability is also documented in the databases at X-Force (34434), Exploit-DB (4016), Tenable (31648), SecurityFocus (BID 24105†) and OSVDB (41091†). 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: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Access control
CWE: CWE-264
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: 31648
Nessus Name: Microsoft IIS webhits.dll Hit-Highlighting Authentication Bypass
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

04/23/2007 🔍
05/22/2007 +29 days 🔍
05/22/2007 +0 days 🔍
05/22/2007 +0 days 🔍
05/22/2007 +0 days 🔍
05/22/2007 +0 days 🔍
06/10/2007 +18 days 🔍
11/11/2007 +154 days 🔍
03/25/2008 +134 days 🔍
03/13/2015 +2544 days 🔍
06/08/2025 +3740 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Researcher: Jesus Olmos Gonzalez
Status: Confirmed

CVE: CVE-2007-2815 (🔍)
GCVE (CVE): GCVE-0-2007-2815
GCVE (VulDB): GCVE-100-36936
X-Force: 34434
SecurityFocus: 24105 - Microsoft Internet Information Server Hit Highlighting Authentication Bypass Vulnerability
OSVDB: 41091 - Microsoft IIS webhits.dll Hit-Highlighting Authentication Bypass
Vulnerability Center: 15312 - Microsoft IIS 5.0 NTLM Authentication Bypass, High

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

Entryinfo

Created: 03/13/2015 14:56
Updated: 06/08/2025 18:26
Changes: 03/13/2015 14:56 (76), 07/20/2019 14:37 (9), 06/08/2025 18:26 (20)
Complete: 🔍
Cache ID: 216:A2E:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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