CVE-2007-0042 Information disclosure in n/a

High 7.8 Published Updated

Remote attackers can access configuration files and bypass security constraints via null byte injection in ASP.NET, exposing sensitive information.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2007-0042?

CVE-2007-0042 is a high-severity vulnerability in Microsoft .Net Framework, published on 10 Jul 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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."

Weakness: CWE-200

Which versions are affected by CVE-2007-0042?

It affects 1 product.

Products include Microsoft .Net Framework.

How do I fix CVE-2007-0042?

No fix has been published for CVE-2007-0042 yet. Limit exposure of the affected software until one is available.

Is CVE-2007-0042 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-0042 exists.

Public exploit code: 1 Exploit-DB entry.

All Microsoft .Net Framework vulnerabilities

Sources

Also known as GHSA-2r87-96mr-fgv7.

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