National Cyber Awareness System

Vulnerability Summary for CVE-2007-0042

Overview

Interpretation conflict in ASP.NET in Microsoft .NET Framework 1.0, 1.1, and 2.0 for Windows 2000, XP, Server 2003, and Vista allows remote attackers to access configuration files and obtain sensitive information, and possibly bypass security mechanisms that try to constrain the final substring of a string, via %00 characters, related to use of %00 as a string terminator within POSIX functions but a data character within .NET strings, aka "Null Byte Termination Vulnerability."

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA07-191A

Name: TA07-191A

Hyperlink:http://www.us-cert.gov/cas/techalerts/TA07-191A.html

External Source: VUPEN

Name: ADV-2007-2482

Hyperlink:http://www.vupen.com/english/advisories/2007/2482

External Source: SECTRACK

Name: 1018356

Hyperlink:http://www.securitytracker.com/id?1018356

External Source: MS

Name: MS07-040

Hyperlink:http://www.microsoft.com/technet/security/Bulletin/ms07-040.mspx

External Source: MISC

Name: http://security-assessment.com/files/advisories/2007-07-11_Multiple_.NET_Null_Byte_Injection_Vulnerabilities.pdf

Hyperlink:http://security-assessment.com/files/advisories/2007-07-11_Multiple_.NET_Null_Byte_Injection_Vulnerabilities.pdf

External Source: SECUNIA

Name: 26003

Type: Advisory

Hyperlink:http://secunia.com/advisories/26003

External Source: HP

Name: SSRT071446

Hyperlink:http://archive.cert.uni-stuttgart.de/bugtraq/2007/07/msg00254.html

US Government Resource: oval:org.mitre.oval:def:2070

Name: oval:org.mitre.oval:def:2070

Type: Tool Signature

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:2070

References to Check Content

Identifier:oval:org.mitre.oval:def:2070

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:2070