Microsoft IIS up to 4.0 Unicode Character Source information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft IIS up to 4.0. Affected by this vulnerability is an unknown functionality of the component Unicode Character Handler. The manipulation results in information disclosure (Source). This vulnerability is cataloged as CVE-2001-0709. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft IIS up to 4.0 (Web Server). Affected is an unknown functionality of the component Unicode Character Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Source). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Microsoft IIS 4.0 and before, when installed on a FAT partition, allows a remote attacker to obtain source code of ASP files via a URL encoded with Unicode.

The weakness was shared 09/20/2001 with VIGILANTe as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2001-0709. 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 MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 5.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6742), SecurityFocus (BID 2909†) and Vulnerability Center (SBV-822†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Web Server

Vendor

• Microsoft

Name

• IIS

Version

• 4.0

License

• commercial

Website

• Vendor: https://www.microsoft.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Source
Class: Information disclosure / Source
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IIS 5.0

Timelineinfo

06/21/2001 🔍
09/20/2001 +91 days 🔍
09/20/2001 +0 days 🔍
09/20/2001 +0 days 🔍
02/05/2003 +503 days 🔍
07/09/2014 +4172 days 🔍
09/11/2017 +1160 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Organization: VIGILANTe
Status: Not defined

CVE: CVE-2001-0709 (🔍)
GCVE (CVE): GCVE-0-2001-0709
GCVE (VulDB): GCVE-100-17424
X-Force: 6742
SecurityFocus: 2909 - Microsoft IIS Unicode .asp Source Code Disclosure Vulnerability
Vulnerability Center: 822 - Microsoft IIS Unicode .asp Source Code Disclosure Vulnerability, Low

Entryinfo

Created: 07/09/2014 13:17
Updated: 09/11/2017 08:55
Changes: 07/09/2014 13:17 (43), 09/11/2017 08:55 (20)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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