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TITLE:
Titan FTP Server "XCRC" and "COMB" Directory Traversal
Vulnerabilities

SECUNIA ADVISORY ID:
SA40237

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40237/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40237

RELEASE DATE:
2010-06-27

DISCUSS ADVISORY:
http://secunia.com/advisories/40237/#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/40237/

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=40237

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:
Bill Finlayson has discovered two vulnerabilities in Titan FTP
Server, which can be exploited by malicious users to bypass certain
security restrictions and disclose sensitive information.

1) An input validation error exists when processing "XCRC" commands.
This can be exploited to determine the existence and file size of
e.g. arbitrary files outside the FTP root directory and potentially
brute force their contents via directory traversal attacks.

1) An input validation error exists when processing "COMB" commands.
This can be exploited to read and delete an arbitrary file placed
outside a user's home directory via directory traversal attacks.

The vulnerabilities are confirmed in version 8.10 build 1125. Other
versions may also be affected.

SOLUTION:
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Bill Finlayson

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/bugtraq/2010-06/0160.html
http://archives.neohapsis.com/archives/bugtraq/2010-06/0183.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:
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vulnerabilities.

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