Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: Solaris 9 in.ftpd security flaw SANS ISC InfoSec Forums

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Solaris 9 in.ftpd security flaw
Good afternoon all,

In the midst of the Microsoft Word 0-day vulnerability (and the start of the summer vacation season), a few security issues managed to be overlooked by me this past week. 

Sun Microsystems released an advisory concerning a security flaw in the ftp daemon installed by default in Solaris 9.  This vulnerability may allow local or remote unprivileged users to access directories outside of their home directory or to log in with their $HOME directory set to the root directory of  "/" (slash) if certain options are in use.

Sun is working on an appropriate fix so keep an eye on your log files, or disable the ftp service under Solaris if it is not necessary. For more information, please see the Sunsolve document located at

Scott Fendley
Handler on Duty

191 Posts
ISC Handler
May 21st 2006

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