ZDI-10-118: Oracle Secure Backup Administration uname Authentication Bypass Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-118 July 13, 2010 -- CVSS: 9.7, (AV:N/AC:L/Au:N/C:C/I:C/A:P) -- Affected Vendors: Oracle -- Affected Products: Oracle Secure Backup -- Vulnerability Details: This vulnerability allows remote attackers to bypass authentication on vulnerable installations of Oracle Secure Backup. Authentication is not required to exploit this vulnerability. The specific flaw exists in the handling of user input to the uname variable of the login.php script running on the administration page of Oracle Secure Backup. Do to the lack of proper shell metacharacter filtering it is possible to bypass the login check. Successful exploitation of this vulnerability allows the attacker to access sensitive information running on the administration server without proper credentials. -- Vendor Response: Oracle has issued an update to correct this vulnerability. More details can be found at: http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujul2010.html -- Disclosure Timeline: 2009-10-21 - Vulnerability reported to vendor 2010-07-13 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Anonymous -- 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