Microsoft IIS 4.0 viewcode.asp privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability has been found in Microsoft IIS 4.0 (Web Server) and classified as critical. This vulnerability affects an unknown functionality of the file viewcode.asp. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. CVE summarizes:

The viewcode.asp sample file in IIS and Site Server allows remote attackers to read arbitrary files.

The weakness was presented 05/07/1999 as MS99-013 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability was named CVE-1999-0737. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k. By approaching the search of inurl:viewcode.asp it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 10576 (Microsoft IIS / Site Server viewcode.asp Arbitrary File Access), 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.

Applying the patch MS99-013 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Attack attempts may be identified with Snort ID 1032.

The vulnerability is also documented in the databases at X-Force (2382) and Tenable (10576). See 14637, 14639, 14640 and 15186 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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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: 🔍
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Google Hack: 🔍

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Nessus ID: 10576
Nessus Name: Microsoft IIS / Site Server viewcode.asp Arbitrary File Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10576
OpenVAS Name: Check for dangerous IIS default files
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OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS99-013

Snort ID: 1032
Snort Message: SERVER-IIS showcode access
Snort Class: 🔍

Suricata ID: 2101403
Suricata Class: 🔍
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SourceFire IPS: 🔍

Timelineinfo

05/07/1999 🔍
05/07/1999 +0 days 🔍
05/07/1999 +0 days 🔍
12/11/2000 +584 days 🔍
12/19/2002 +738 days 🔍
06/20/2014 +4201 days 🔍
05/06/2019 +1781 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS99-013
Status: Confirmed

CVE: CVE-1999-0737 (🔍)
X-Force: 2382
Vulnerability Center: 438 - [MS99-013] The viewcode.asp sample file in IIS and Site Server allows remote attackers to read arbit, Medium

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

Entryinfo

Created: 06/21/2014 00:10
Updated: 05/06/2019 18:31
Changes: 06/21/2014 00:10 (78), 05/06/2019 18:31 (1)
Complete: 🔍

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