AT-TFTP long filename buffer overflow
| attftp-filename-bo (30539) |  High Risk |
Description:
AT-TFTP server is vulnerable to a buffer overflow, caused by improper bounds checking. By sending an overly long filename in a GET or PUT command, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.
*CVSS:
| Base Score: | 10 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 9 |
| Exploitability: | Functional |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Gain Access
Remedy:
No remedy available as of July 9, 2011.
References:
- AT-FTPD Web site: Tools & Utilities - Allied Telesis United Kingdom.
- BugTraq Mailing List, Sun Nov 26 2006 - 06:30:41 CST: TFTP Server AT-TFTP Server v 1.9 Buffer Overflow Vulnerability (Long filename).
- Offensive Security Exploit Database [03-05-2011]: Allied Telesyn TFTP Server 1.9 Long Filename Overflow.
- BID-21320: Allied Telesyn AT-TFTP Server Filename Remote Buffer Overflow Vulnerability
- CVE-2006-6184: Multiple stack-based buffer overflows in Allied Telesyn TFTP Server (AT-TFTP) 1.9, and possibly earlier, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a long filename in a (1) GET or (2) PUT command.
- OSVDB ID: 11350: AT-TFTP server Parameter Overflow DoS
- SA23106: AT-TFTP Server Long Filename Buffer Overflow Vulnerability
- VUPEN/ADV-2006-4737: AT-TFTP Server Long Filename Handling Remote Buffer Overflow Vulnerability
Platforms Affected:
- AlliedTelesyn AT-TFTP 1.9
Reported:
Nov 26, 2006
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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.