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TITLE:
Orenosv HTTP/FTP Server Buffer Overflow Vulnerabilities

SECUNIA ADVISORY ID:
SA15302

VERIFY ADVISORY:
http://secunia.com/advisories/15302/

CRITICAL:
Moderately critical

IMPACT:
Privilege escalation, DoS, System access

WHERE:
>From remote

SOFTWARE:
Orenosv HTTP/FTP Server 0.x
http://secunia.com/product/3498/

DESCRIPTION:
Tan Chew Keong has reported some vulnerabilities in Orenosv HTTP/FTP
Server, which can be exploited by malicious users to cause a DoS
(Denial of Service) and potentially compromise the system.

1) Boundary errors in the FTP service during the handling of various
FTP commands manipulating files and directories (e.g. MKD, RMD, LIST,
DELE, and RETR) can be exploited to cause buffer overflows.

Successful exploitation crashes the FTP service and may potentially
allow execution of arbitrary code.

2) A boundary error in the web service's SSI support (cgissi.exe) can
be exploited to cause a stack-based buffer overflow via an overly long
SSI command name (about 120 bytes).

Successful exploitation may allow execution of arbitrary code with
escalated privileges.

The vulnerabilities have been reported in version 0.8.1. Prior
versions may also be affected.

SOLUTION:
Update to version 0.8.1a or later.

PROVIDED AND/OR DISCOVERED BY:
Tan Chew Keong

ORIGINAL ADVISORY:
http://www.security.org.sg/vuln/orenosv081.html

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