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Secunia Security Advisory 40473

Secunia Security Advisory 40473
Posted Jul 7, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Accensus Security Group has discovered a vulnerability in Xlight FTP Server, which can be exploited by malicious users to disclose potentially sensitive information.

tags | advisory
SHA-256 | e5ca4e17765d89176fb987cabc92bc966c31304abef9d83059087bf1245a2675

Secunia Security Advisory 40473

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TITLE:
Xlight FTP Server "SFTP" Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA40473

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40473/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40473

RELEASE DATE:
2010-07-07

DISCUSS ADVISORY:
http://secunia.com/advisories/40473/#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/40473/

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=40473

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:
Accensus Security Group has discovered a vulnerability in Xlight FTP
Server, which can be exploited by malicious users to disclose
potentially sensitive information.

The vulnerability is caused due to the SFTP/SSH2 virtual server not
properly verifying input before reading files. This can be exploited
to disclose the contents of arbitrary files via directory traversal
attacks.

NOTE: The FTP virtual server is not affected by this vulnerability.

The vulnerability is confirmed in version 3.5.0. Other versions may
also be affected.

SOLUTION:
Update to version 3.6.0.

PROVIDED AND/OR DISCOVERED BY:
Accensus Security Group

ORIGINAL ADVISORY:
Xlight:
http://www.xlightftpd.com/whatsnew.htm

Accensus Security Group:
http://archives.neohapsis.com/archives/bugtraq/2010-07/0034.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/

----------------------------------------------------------------------

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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