TITLE:
Freeftpd USER Command Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA17583

VERIFY ADVISORY:
http://secunia.com/advisories/17583/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Freeftpd 1.x
http://secunia.com/product/6138/

DESCRIPTION:
barabas mutsonline has discovered a vulnerability in freeftpd, which
can be exploited by malicious people to compromise a vulnerable
system.

The vulnerability is caused due to a boundary error when handling the
USER command. This can be exploited to cause a stack-based buffer
overflow via an overly long user name.

Successful exploitation requires that logging is enabled on the
server.

The vulnerability has been confirmed in version 1.0.8.

SOLUTION:
Update to version 1.0.9.
http://freeftpd.com/?ctt=download

PROVIDED AND/OR DISCOVERED BY:
barabas mutsonline

ORIGINAL ADVISORY:
http://freeftpd.com/?ctt=changelog

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