tftp-hpa FTP Server 'utimeout' Option Remote Buffer Overflow Vulnerability

Bugtraq ID:	48411
Class:	Boundary Condition Error
CVE:	CVE-2011-2199
Remote:	Yes
Local:	No
Published:	Jun 23 2011 12:00AM
Updated:	Jun 29 2012 05:20PM
Credit:	Timo Warns
Vulnerable:	H. Peter Anvin tftp-hpa 5.0 Gentoo Linux
Not Vulnerable:	H. Peter Anvin tftp-hpa 5.1

tftp-hpa FTP Server 'utimeout' Option Remote Buffer Overflow Vulnerability

tftp-hpa FTP server is prone to a buffer-overflow vulnerability.

An attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts will result in a denial-of-service condition.

Versions prior to tftp-hpa 5.1 are vulnerable.

tftp-hpa FTP Server 'utimeout' Option Remote Buffer Overflow Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

tftp-hpa FTP Server 'utimeout' Option Remote Buffer Overflow Vulnerability

Solution:
Updates are available. Please see the references for more information.

tftp-hpa FTP Server 'utimeout' Option Remote Buffer Overflow Vulnerability

References:

• GIT Commit (H. Peter Anvin)
  
• PRE-CERT Security Advisory (PRE-CERT)
  
• tftp-hpa 5.1 Changes (H. Peter Anvin)
  
• tftp-hpa Homepage (H. Peter Anvin)