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TITLE:
CompleteFTP Server Two Vulnerabilities

SECUNIA ADVISORY ID:
SA39852

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/39852/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=39852

RELEASE DATE:
2010-06-03

DISCUSS ADVISORY:
http://secunia.com/advisories/39852/#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/39852/

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=39852

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:
Two vulnerabilities have been discovered in CompleteFTP, which can be
exploited by malicious users to bypass certain security restrictions
and compromise a vulnerable system.

1) An input validation error in the FTP service can be exploited to
download or replace arbitrary files placed in a directory above the
FTP root by prepending a ".../" sequence to the filename.

2) An input validation error in the FTP service allows to change the
current working directory to an arbitrary directory on the filesystem
by specifying an absolute path. This can be exploited to download or
replace arbitrary files in arbitrary directories on the local file
system.

The vulnerabilities are confirmed in version 4.0.2. Prior versions
may also be affected.

SOLUTION:
Update to version 4.0.3.

PROVIDED AND/OR DISCOVERED BY:
Reported by Sow Ching Shiong via Secunia.

ORIGINAL ADVISORY:
Enterprise Distributed Technologies:
http://www.enterprisedt.com/products/completeftp/history.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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.

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Secunia NEVER sends attached files with advisories.
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