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TITLE:
Cerberus FTP Server "MLSD" and "MLST" Commands Hidden Files Security
Bypass

SECUNIA ADVISORY ID:
SA40370

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40370/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40370

RELEASE DATE:
2010-07-01

DISCUSS ADVISORY:
http://secunia.com/advisories/40370/#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/40370/

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=40370

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 security issue has been reported in Cerberus FTP Server, which can
be exploited by malicious users to bypass certain security
restrictions.

The security issue is caused due to the "MLSD" and "MLST" commands
listing hidden files, although the "Display hidden files" option is
disabled. This can be exploited to gain knowledge of hidden files.

The security issue is reported in version 4.0.2.2. Prior versions may
also be affected.

SOLUTION:
Update to version 4.0.3.0.

PROVIDED AND/OR DISCOVERED BY:
Reported in a forum post by Tuxman.

ORIGINAL ADVISORY:
http://www.cerberusftp.com/releasenotes.html
http://www.cerberusftp.com/phpBB3/viewtopic.php?f=4&t=644

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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Please Note:
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Secunia NEVER sends attached files with advisories.
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