32bit FTP Banner buffer overflow

32bit-banner-bo (50337)

High Risk

Description:

32bit FTP is vulnerable to a stack-based buffer overflow, caused by improper bounds checking when processing overly long Banner responses received from the FTP server. By persuading a victim to connect to a malicious FTP server, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

*CVSS:

Base Score:	9.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	8.4
Exploitability:	Functional
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of May 1, 2013.

References:

• ElectraSoft Web site: 32bit FTP.
• BID-34822: 32bit FTP 'banner' Remote Buffer Overflow Vulnerability
• CVE-2009-1592: Stack-based buffer overflow in ElectraSoft 32bit FTP 09.04.24 allows remote FTP servers to execute arbitrary code via a long banner. NOTE: this might overlap CVE-2003-1368.
• OSVDB ID: 54219: 32bit FTP Server Banner Response Handling Remote Overflow
• SA34993: 32bit FTP Server Response Buffer Overflow Vulnerability
• VUPEN/ADV-2009-1263: 32bit FTP Client Server Response Handling Buffer Overflow Vulnerability

Platforms Affected:

• ElectraSoft 32Bit FTP 09.04.24

Reported:

May 05, 2009

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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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