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TITLE:
Open&Compact Ftp Server (Open-FTPD) Authentication Bypass
Vulnerability

SECUNIA ADVISORY ID:
SA40284

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40284/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40284

RELEASE DATE:
2010-06-24

DISCUSS ADVISORY:
http://secunia.com/advisories/40284/#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/40284/

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=40284

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 Open&Compact Ftp Server
(Open-FTPD), which can be exploited by malicious people to bypass
certain security restrictions.

The vulnerability is caused due to access not being restricted to
various FTP commands before a user is properly authenticated. This
can be exploited to execute FTP commands without any authentication.

The vulnerability is confirmed in version 1.2. Other versions may
also be affected.

SOLUTION:
Use a firewall to restrict access to trusted systems only.

PROVIDED AND/OR DISCOVERED BY:
Serge Gorbunov

ORIGINAL ADVISORY:
http://www.exploit-db.com/exploits/13932/

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.

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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