TFTP Server SP error message buffer overflow
| tftpserversp-errormessage-bo (42298) |
Description:
TFTP Server SP is vulnerable to a stack-based and BSS-based buffer overflow, caused by improper bounds checking when handing error messages. By sending a specially-crafted TFTP error packet containing an overly long error message to UDP port 69, a remote attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash.
Platforms Affected:
- SourceForge, TFTP Server 1.4
- SourceForge, TFTP Server 1.5
Remedy:
No remedy available as of August 23, 2008.
Consequences:
Gain Access
References:
- SourceForge.net, TFTP Server at http://sourceforge.net/projects/tftp-server/.
- BID-29111: TFTP Server Error Packet Handling Remote Buffer Overflow Vulnerability
- CVE-2008-2161: Buffer overflow in TFTP Server SP 1.4 and 1.5 on Windows, and possibly other versions, allows remote attackers to execute arbitrary code via a long TFTP error packet. NOTE: some of these details are obtained from third party information.
- FrSIRT/ADV-2008-1468: TFTP Server SP Error Message Handling Buffer Overflow Vulnerability
- SA30147: TFTP Server SP Long Error Message Buffer Overflow
Reported:
May 08, 2008
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