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TITLE:
Zhang Boyang FTP Server Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA44737

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44737/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44737

RELEASE DATE:
2011-06-07

DISCUSS ADVISORY:
http://secunia.com/advisories/44737/#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/44737/

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

https://ca.secunia.com/?page=viewadvisory&vuln_id=44737

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 reported in Zhang Boyang FTP Server, which
can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due an error when processing the "CWD"
command. This can be exploited to crash the application by sending a
"CWD" command with an empty argument list.

The vulnerability is reported in version 1.0. Other versions may also
be affected.

SOLUTION:
Use the application within trusted networks only.

PROVIDED AND/OR DISCOVERED BY:
offsetIntruder

ORIGINAL ADVISORY:
http://www.exploit-db.com/exploits/17351/

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/

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About:
This Advisory was delivered by Secunia as a free service to help
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vulnerabilities.

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