CA ERwin Web Portal MIMM ConfigServiceProviderServlet Remote File Creation/Overwrite VulnerabilityZDI-14-093: April 17th, 2014
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 13553. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to overwrite arbitrary .xml files on a system with vulnerable installations of CA ERwin Web Portal's Meta Integration Metadata Management service. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the "Meta Integration Web Server and Services" ConfigServiceProviderServlet servlet which is vulnerable to a directory traversal. An attacker can leverage this vulnerability to overwrite or create arbitrary application and system XML files, including necessary configuration files, under the context of SYSTEM. An attacker can couple this vulnerability with others to gain remote code execution.
Vendor ResponseCA has issued an update to correct this vulnerability. More details can be found at:
2014-04-11 - Vulnerability reported to vendor
2014-04-17 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Andrea Micalizzi aka rgod