FileZilla FTP Server Multiple Remote Denial Of Service Vulnerabilities

BID:12865

Info

FileZilla FTP Server Multiple Remote Denial Of Service Vulnerabilities

Bugtraq ID: 12865
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2005-0850
CVE-2005-0851
Remote: Yes
Local: No
Published: Mar 22 2005 12:00AM
Updated: Jul 12 2009 10:56AM
Credit: These vulnerabilities were announced by the vendor.
Vulnerable: FileZilla FileZilla Server 0.7.1
FileZilla FileZilla Server 0.7
FileZilla FileZilla Server 0.9.5
FileZilla FileZilla Server 0.9.4e
FileZilla FileZilla Server 0.9.4d
FileZilla FileZilla Server 0.9.3
FileZilla FileZilla Server 0.9.2
FileZilla FileZilla Server 0.9.1b
FileZilla FileZilla Server 0.9.0
FileZilla FileZilla Server 0.8.9
FileZilla FileZilla Server 0.8.8
FileZilla FileZilla Server 0.8.7
FileZilla FileZilla Server 0.8.6a
FileZilla FileZilla Server 0.8.5
FileZilla FileZilla Server 0.8.4
FileZilla FileZilla Server 0.8.3
FileZilla FileZilla Server 0.8.2
FileZilla FileZilla Server 0.8.1
Not Vulnerable: FileZilla FileZilla Server 0.9.6

Discussion

FileZilla FTP Server Multiple Remote Denial Of Service Vulnerabilities

The FileZilla FTP server is reported prone to multiple remote denial of service vulnerabilities. The following individual issues are reported:

It is reported that FileZilla fails to gracefully handle FTP requests that contain reserved MS-DOS device names. A remote authenticated attacker may exploit this vulnerability to deny service for legitimate users.

Finally, it is reported that the FileZilla FTP server may be influenced into entering an infinite loop. A remote authenticated attacker may exploit this vulnerability to deny service for legitimate users.

Exploit / POC

FileZilla FTP Server Multiple Remote Denial Of Service Vulnerabilities

No exploits are required.

Solution / Fix

FileZilla FTP Server Multiple Remote Denial Of Service Vulnerabilities

Solution:
The vendor has released updates to address these vulnerabilities.


FileZilla FileZilla Server 0.9.5

FileZilla FileZilla Server 0.8.9

FileZilla FileZilla Server 0.8.7

FileZilla FileZilla Server 0.8.3

FileZilla FileZilla Server 0.9.4e

FileZilla FileZilla Server 0.8.8

FileZilla FileZilla Server 0.8.6a

FileZilla FileZilla Server 0.9.3

FileZilla FileZilla Server 0.8.2

FileZilla FileZilla Server 0.8.5

FileZilla FileZilla Server 0.8.4

FileZilla FileZilla Server 0.8.1

FileZilla FileZilla Server 0.9.0

FileZilla FileZilla Server 0.9.2

FileZilla FileZilla Server 0.9.4d

FileZilla FileZilla Server 0.9.1b

FileZilla FileZilla Server 0.7

FileZilla FileZilla Server 0.7.1

References

FileZilla FTP Server Multiple Remote Denial Of Service Vulnerabilities

References:
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