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TITLE:
WebCalenderC3 Cross-Site Scripting and Local File Inclusion
Vulnerabilities

SECUNIA ADVISORY ID:
SA38135

VERIFY ADVISORY:
http://secunia.com/advisories/38135/

DESCRIPTION:
Some vulnerabilities have been reported in WebCalenderC3, which can
be exploited by malicious people to conduct cross-site scripting
attacks and disclose potentially sensitive information.

1) Certain input passed via unspecified parameters is not properly
sanitised before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.

2) Certain input passed via unspecified parameters in not properly
verified before being used to include files. This can be exploited to
include arbitrary files from local resources.

The vulnerabilities are reported in versions prior to 0.32.

SOLUTION:
WebCalenderC3 0.32:
Update to version 0.32s2:
http://webcal.c-3.jp/webcalc3_032s2.lzh

WebCalenderC3 0.31:
Update to version 0.31s2:
http://webcal.c-3.jp/webcalc3_031s2.lzh

PROVIDED AND/OR DISCOVERED BY:
JVN credits Dr. Masako Oono.

ORIGINAL ADVISORY:
C3 Corp:
http://webcal.c-3.jp/zeijakusei.html

JVN:
http://jvn.jp/jp/JVN33977065/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2010-000002
http://jvn.jp/jp/JVN22247093/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2010-000003

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