ZDI-11-137: Oracle Application Server Authentication Bypass Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-11-137 April 19, 2011 -- CVE ID: CVE-2011-0807 -- CVSS: 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C) -- Affected Vendors: Oracle -- Affected Products: Oracle Application Server -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 10882. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle GlassFish Application Server and Oracle Java Application Server. Authentication is not required to exploit this vulnerability. The flaw exists within the Web Administration component which listens by default on TCP port 4848. When handling a malformed GET request to the administrative interface, the application does not properly handle an exception allowing the request to proceed without authentication. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the application. -- Vendor Response: Oracle has issued an update to correct this vulnerability. More details can be found at: http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html -- Disclosure Timeline: 2010-09-23 - Vulnerability reported to vendor 2011-04-19 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Jason Bowes -- About the Zero Day Initiative (ZDI): Established by TippingPoint, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. TippingPoint does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, TippingPoint provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, TippingPoint provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. Our vulnerability disclosure policy is available online at: http://www.zerodayinitiative.com/advisories/disclosure_policy/ Follow the ZDI on Twitter: http://twitter.com/thezdi _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/