TFTP Server TFTPDWIN path name buffer overflow

tftpdwin-pathname-bo (29075)

High Risk

Description:

TFTP Server TFTPDWIN is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the tftpd.exe service. By requesting an overly long path name or file name, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.

*CVSS:

Base Score:	6
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Required
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	5.4
Exploitability:	Functional
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of July 9, 2011.

References:

• TFTP Server TFTPDWIN Web page: TFTP Server TFTPDWIN.
• BID-20131: ProSysInfo TFTPDWIN Remote Buffer Overflow Vulnerability
• CVE-2006-4948: Stack-based buffer overflow in tftpd.exe in ProSysInfo TFTP Server TFTPDWIN 0.4.2 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a long file name. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
• OSVDB ID: 29032: TFTP Server TFTPDWIN Resource Handling Overflow
• SA21854: TFTP Server TFTPDWIN Buffer Overflow Vulnerability
• VUPEN/ADV-2006-3731: TFTP Server TFTPDWIN Pathname Handling Remote Buffer Overflow Vulnerability

Platforms Affected:

• ProSysInfo TFTP Server TFTPDWIN 0.4.2 and prior

Reported:

Sep 21, 2006

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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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