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Secunia Security Advisory 47163

Secunia Security Advisory 47163
Posted Dec 12, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been discovered in zFTPServer, which can be exploited by malicious users to manipulate certain data.

tags | advisory
SHA-256 | 718c18e3ee9d0146655308527cd100271cb05f2a586263b961d59ff90bb28292

Secunia Security Advisory 47163

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TITLE:
zFTPServer "RMD" Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA47163

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47163/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47163

RELEASE DATE:
2011-12-12

DISCUSS ADVISORY:
http://secunia.com/advisories/47163/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/47163/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=47163

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been discovered in zFTPServer, which can be
exploited by malicious users to manipulate certain data.

The vulnerability is caused due to an error within the handling of
the "RMD" command, which can be exploited to delete the FTP root by
sending a specially crafted "RMD" command containing directory
traversal sequences.

Successful exploitation requires permissions to delete directories
within the user's home directory.

The vulnerability is confirmed in version 6.0.0.52. Other versions
may also be affected.

SOLUTION:
Restrict access to trusted users.

PROVIDED AND/OR DISCOVERED BY:
Stefan Schurtz

ORIGINAL ADVISORY:
zFTPServer:
http://forum.zftpserver.com/viewtopic.php?f=4&t=2927

Stefan Schurtz:
http://archives.neohapsis.com/archives/fulldisclosure/2011-12/0288.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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