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Oracle Jserv Executes outside of doc_root
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Detects Vulnerability in the execution of JSPs outside doc_root.
Insight
Insight
A potential security vulnerability has been discovered in Oracle JSP releases 1.0.x through 1.1.1 (in Apache/Jserv). This vulnerability permits access to and execution of unintended JSP files outside the doc_root in Apache/Jserv. For example, accessing: http://www.example.com/a.jsp//..//..//..//..//..//../b.jsp will execute b.jsp outside the doc_root instead of a.jsp if there is a b.jsp file in the matching directory. Further, Jserv Releases 1.0.x - 1.0.2 have additional vulnerability: Due to a bug in Apache/Jserv path translation, any URL that looks like: http://example.com:port/servlets/a.jsp, makes Oracle JSP execute 'd:\servlets\a.jsp' if such a directory path actually exists. Thus, a URL virtual path, an actual directory path and the Oracle JSP name (when using Oracle Apache/JServ) must match for this potential vulnerability to occur.
Affected Software
Affected Software
Oracle8i Release 8.1.7, iAS Release version 1.0.2 Oracle JSP, Apache/JServ Releases version 1.0.x - 1.1.1
Solution
Solution
Upgrade to OJSP Release 1.1.2.0.0, available on Oracle Technology Network's OJSP web site.