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| BadBlue is "a web server used for peer-to-peer file sharing". By default, several executable files are stored in the web root: badblue.exe, uninst.exe, and dyndns.exe. Executable files stored in the web root of BadBlue can be launched remotely by any user. This can be leveraged to create a DoS condition by repeatedly invoking the uninst.exe executable. Due to the fact that BadBlue has not released a patch for the previously documented directory traversal vulnerability (CVE 2007-6378), an attacker may utilize these two flaws in conjunction to place a malicious executable in the web root and compromise a vulnerable server. |
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Credit:
The information has been provided by Steven James and r at b13$.
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Vulnerable Systems:
* BadBlue Personal Edition version 2.72
Solution Description:
Restrict access to the executables already in the web root (badblue.exe, uninst.exe, and dyndns.exe) and take steps to ensure that users cannot write files to the web root.
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