[SA34528] Sun Java System Calendar Server Multiple Vulnerabilities

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TITLE:
Sun Java System Calendar Server Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA34528

VERIFY ADVISORY:
http://secunia.com/advisories/34528/

DESCRIPTION:
Some vulnerabilities have been reported in Sun Java System Calendar
Server, which can be exploited by malicious people to conduct
cross-site scripting attacks or to cause a DoS (Denial of Service).

1) Input passed to the "Fmt-out" parameter in login.wcap 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) Input passed to the "date" parameter in command.shtml 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.

3) An error when processing multiple HTTP requests containing an
invalid "tzid" parameter can be exploited to crash the web server.

NOTE: Reportedly, this vulnerability was silently fixed by the vendor
in patches 121657-30 for SPARC, 121658-30 for x86, and 121659-30 for
Linux.

The vulnerabilities are reported in the following products:
* Sun ONE Calendar Server 6.0
* Sun Java System Calendar Server 6 2004Q2
* Sun Java System Calendar Server 6 2005Q1
* Sun Java System Calendar Server 6 2005Q4
* Sun Java System Calendar Server 6.3

SOLUTION:
Apply patches.

-- SPARC Platform --

Sun Java System Calendar Server 6.3:
Apply patch 121657-34 or later.

-- x86 Platform --

Sun Java System Calendar Server 6.3:
Apply patch 121658-34 or later.

-- Linux --

Sun Java System Calendar Server 6.3:
Apply patch 121659-34 or later.

PROVIDED AND/OR DISCOVERED BY:
Core Security Technologies

ORIGINAL ADVISORY:
Sun:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256228-1

Core Security Technologies:
http://www.coresecurity.com/content/sun-calendar-express

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