HD Soft Windows FTP Server Username Format String Vulnerability

BID:9385

Info

HD Soft Windows FTP Server Username Format String Vulnerability

Bugtraq ID: 9385
Class: Input Validation Error
CVE: CVE-2004-0069
Remote: Yes
Local: No
Published: Jan 08 2004 12:00AM
Updated: Jul 12 2009 12:56AM
Credit: The disclosure of this issue has been credited to Peter Winter-Smith <[email protected]>.
Vulnerable: HD Soft Windows FTP Server 1.6
HD Soft Windows FTP Server 1.5
Not Vulnerable:

Discussion

HD Soft Windows FTP Server Username Format String Vulnerability

It has been reported that Windows FTP Server may be prone to a remote format string vulnerability when processing a malicious request from a client. The vulnerability presents itself when the server receives a malicious request containing embedded format string specifiers from a remote client when supplying a username during FTP authentication. This could be exploit to crash the server but could also theoretically permit corruption/disclosure of memory contents and execution of arbitrary code.

Windows FTP Server versions 1.6 and prior are reported to be prone to this issue.

Exploit / POC

HD Soft Windows FTP Server Username Format String Vulnerability

Exploit contributed by mandragore.

Solution / Fix

HD Soft Windows FTP Server Username Format String Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

HD Soft Windows FTP Server Username Format String Vulnerability

References:

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