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TITLE:
CiscoKits/CertificationKits TFTP Service Denial of Service
Vulnerability

SECUNIA ADVISORY ID:
SA45398

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45398/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45398

RELEASE DATE:
2011-07-25

DISCUSS ADVISORY:
http://secunia.com/advisories/45398/#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/45398/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
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 * Secunia CVSS Score
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45398

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 CiscoKits/CertificationKits
TFTP Service, which can be exploited by malicious people to cause a
DoS (Denial of Service).

The vulnerability is caused due to an unhandled exception when
processing "READ" requests with an overly long filename, which can be
exploited to terminate the TFTP service.

The vulnerability is confirmed in version 1.0.0.

SOLUTION:
Use a firewall to restrict access to trusted devices.

PROVIDED AND/OR DISCOVERED BY:
Craig Freyman

ORIGINAL ADVISORY:
http://www.exploit-db.com/exploits/17569/

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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