SmartFTP banner buffer overflow

smartftp-banner-bo (32214)

High Risk

Description:

SmartFTP is vulnerable to a heap-based buffer overflow, caused by improper bounds checking of banner replies. By persuading a user to connect to a malicious FTP server that sends an overly long banner reply, a remote attacker could overflow a buffer and execute arbitrary code on the system.

*CVSS:

Base Score:	5.6
Access Vector:	Remote
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	4.8
Exploitability:	Proof-Of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of SmartFTP (2.5.1005 or later), available from the SmartFTP Web site. See References.

References:

• SmartFTP Web site: SmartFTP - Download.
• SmartFTP Web site: SmartFTP-FTP Client.
• BID-22390: SmartFTP Banner Remote Heap Buffer Overflow Vulnerability
• CVE-2007-0790: Heap-based buffer overflow in SmartFTP 2.0.1002 allows remote FTP servers to execute arbitrary code via a large banner.
• SA24051: SmartFTP Banner Handling Buffer Overflow Vulnerability

Platforms Affected:

• SmartFTP SmartFTP 2.0.1002 and prior

Reported:

Feb 05, 2007

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For corrections or additions please email xforce@iss.net

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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