Microsoft IIS 4.0 ASP File 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-$5k0.00

A vulnerability was found in Microsoft IIS 4.0 (Web Server) and classified as critical. Affected by this issue is some unknown functionality of the component ASP File Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Source). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

IIS 4.0 and Site Server 3.0 allow remote attackers to read source code for ASP files if the file is in a virtual directory whose name includes extensions such as .com, .exe, .sh, .cgi, or .dll, aka the "Virtual Directory Naming" vulnerability.

The weakness was published 12/21/1999 by Hunger with Microsoft as MS99-058 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2000-0025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/17/2019). The MITRE ATT&CK project declares the attack technique as T1592. This vulnerability has a historic impact due to its background and reception.

After immediately, there has been an exploit disclosed.

Applying the patch MS99-058 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com.

The vulnerability is also documented in the vulnerability database at X-Force (4392). support.microsoft.com is providing further details. Similar entry is available at 15079.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: MS99-058

Timelineinfo

12/21/1999 🔍
12/21/1999 +0 days 🔍
12/21/1999 +0 days 🔍
12/21/1999 +0 days 🔍
12/21/1999 +0 days 🔍
12/01/2003 +1441 days 🔍
04/09/2004 +129 days 🔍
06/22/2014 +3726 days 🔍
05/17/2019 +1790 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS99-058
Researcher: Hunger
Organization: Microsoft
Status: Confirmed

CVE: CVE-2000-0025 (🔍)
X-Force: 4392
Vulnerability Center: 3058 - [MS99-058] IIS 4.0 and Site Server 3.0 ASP Files Source Code Disclosure, Medium
SecurityFocus: 882 - Microsoft IIS Virtual Directory Naming Vulnerability
OSVDB: 8098 - Microsoft IIS Virtual Directory ASP Source Disclosure

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/22/2014 16:14
Updated: 05/17/2019 12:20
Changes: 06/22/2014 16:14 (69), 05/17/2019 12:20 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!