ZDI-10-107: Multiple Sourcefire Products Static Web SSL Keys Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-107 June 10, 2010 -- Affected Vendors: Sourcefire -- Affected Products: Sourcefire 3D Sensor 1000 Sourcefire 3D Sensor 2000 Sourcefire 3D Sensor 9900 Sourcefire Defense Center 1000 -- Vulnerability Details: This vulnerability allows remote attackers to decrypt secure socket layer (SSL) communications directed to multiple Sourcefire products. The specific flaw exists within the reuse of private SSL keys for multiple devices and installations. The keypair is stored in /etc/ssl/server.crt and /etc/ssl/server.key. Disclosure of the private key allows an attacker to decrypt and monitor SSL communications with the target. -- Vendor Response: Sourcefire states: Mitigation of this problem can be accomplished by replacing the static keys with custom keys. These instructions can be found in the installation guide for your product (available on the Sourcefire support site). https://support.sourcefire.com/notices/notice/1437 -- Disclosure Timeline: 2010-06-02 - Vulnerability reported to vendor 2010-06-10 - 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