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FutureSoft TFTP Server 2000 Multiple Vulnerabilities
Secunia Advisory: SA15539
Release Date: 2005-05-31
Last Update: 2007-04-02
Popularity: 7,220 views

Critical:
Moderately critical
Impact: Exposure of sensitive information
DoS
System access
Exposure of system information
Where: From local network
Solution Status: Unpatched

Software:TFTP Server 2000 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Some vulnerabilities have been reported in TFTP Server 2000, which can be exploited by malicious people to cause a DoS (Denial of Service), gain knowledge of sensitive information or compromise a vulnerable system.

1) Boundary errors within the handling of Read and Write requests can be exploited to cause a stack-based buffer overflow via a request containing an overly long filename or transfer-mode string.

Successful exploitation allows execution of arbitrary code with SYSTEM privileges.

2) Missing input validation can be exploited to access arbitrary files outside the TFTP root via directory traversal attacks.

3) An error in the handling of UDP datagrams can be exploited to crash a vulnerable service by sending some specially crafted UDP datagrams.

The vulnerabilities have been reported in version 1.0.0.1. Other versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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