TITLE:
WebCalendar HTTP Response Splitting and SQL Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA17848

VERIFY ADVISORY:
http://secunia.com/advisories/17848/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
WebCalendar 0.9.x
http://secunia.com/product/1901/
WebCalendar 1.x
http://secunia.com/product/5606/

DESCRIPTION:
lwang has reported two vulnerabilities in WebCalendar, which can be
exploited by malicious users to conduct SQL injection attacks and by
malicious people to conduct HTTP response splitting attacks.

1) Input passed to the "time_range" parameter in
"edit_report_handler.php" isn't properly sanitised before being used
in a SQL query. This can be exploited to manipulate SQL queries by
injecting arbitrary SQL code.

2) Input passed to the "ret" parameter in "layers_toggle.php" isn't
properly sanitised before being returned to the user. This can be
exploited to inject arbitrary HTTP headers, which will be included in
the response sent to the user.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
lwang

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