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TITLE:
XM Easy Personal FTP Server Format String Vulnerability

SECUNIA ADVISORY ID:
SA24330

VERIFY ADVISORY:
http://secunia.com/advisories/24330/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
XM Easy Personal FTP Server 5.x
http://secunia.com/product/10633/

DESCRIPTION:
Umesh Wanve has discovered a vulnerability in XM Easy Personal FTP
Server, which can be exploited by malicious people to cause a DoS
(Denial of Service) or potentially compromise a vulnerable system.

The vulnerability is caused due to a format string error when
displaying server activities in the "Server log" display. This can be
exploited to crash the service or potentially allow execution of
arbitrary code via a specially crafted command containing format
specifiers sent to the server.

The vulnerability is confirmed in version 5.3.0. Other versions may
also be affected.

NOTE: Multiple buffer overflows in various commands have also been
reported.

SOLUTION:
Restrict access to the FTP service.

PROVIDED AND/OR DISCOVERED BY:
Umesh Wanve

ORIGINAL ADVISORY:
http://www.milw0rm.com/exploits/3385

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About:
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