Microsoft IIS 3.0/4.0/5.0 Web Log Entry authentication spoofing

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

Summaryinfo

A vulnerability was found in Microsoft IIS 3.0/4.0/5.0. It has been declared as critical. This issue affects some unknown processing of the component Web Log Entry Handler. The manipulation results in authentication spoofing. This vulnerability is cataloged as CVE-2001-0902. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft IIS 3.0/4.0/5.0 (Web Server). Affected is some unknown processing of the component Web Log Entry Handler. The manipulation with an unknown input leads to a authentication spoofing vulnerability. CWE is classifying the issue as CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Microsoft IIS 5.0 allows remote attackers to spoof web log entries via an HTTP request that includes hex-encoded newline or form-feed characters.

The bug was discovered 11/19/2001. The weakness was shared 11/20/2001 as not defined posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is traded as CVE-2001-0902. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1650 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7613), SecurityFocus (BID 6795†), OSVDB (13985†) and Vulnerability Center (SBV-7744†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/15/1997 🔍
11/19/2001 +1649 days 🔍
11/19/2001 +0 days 🔍
11/19/2001 +0 days 🔍
11/20/2001 +1 days 🔍
11/20/2001 +0 days 🔍
05/04/2005 +1261 days 🔍
07/10/2014 +3354 days 🔍
05/31/2019 +1786 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: marc.theaimsgroup.com
Status: Not defined

CVE: CVE-2001-0902 (🔍)
GCVE (CVE): GCVE-0-2001-0902
GCVE (VulDB): GCVE-100-17604
X-Force: 7613 - Microsoft IIS allows attackers to create fake log entries
SecurityFocus: 6795 - Microsoft IIS False Logging Weakness
OSVDB: 13985 - Microsoft IIS, False Log Data via Malicious HTTP Requests
Vulnerability Center: 7744 - Microsoft IIS 3.0 - 5.0 Allows Creating Fake Log Entries via HTTP, Medium

Entryinfo

Created: 07/10/2014 12:40
Updated: 05/31/2019 22:37
Changes: 07/10/2014 12:40 (62), 05/31/2019 22:37 (3)
Complete: 🔍
Cache ID: 216::103

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