SAP MaxDB Malformed Handshake Request Remote Code Execution

2010-03-31 / 2010-04-01
Credit: ZDI
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


Ogólna skala CVSS: 10/10
Znaczenie: 10/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

ZDI-10-032: SAP MaxDB Malformed Handshake Request Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-032 March 16, 2010 -- Affected Vendors: SAP -- Affected Products: SAP MaxDB -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 9403. 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 SAP MaxDB. Authentication is not required to exploit this vulnerability. The specific flaw exists within the serv.exe process which listens by default on TCP port 7210. The process trusts a value from a handshake packet and uses it as a length when copying data to the stack. If provided a malicious value and packet data, this can be leveraged to execute arbitrary code under the context of the SYSTEM user. -- Vendor Response: SAP states: A solution was provided via SAP note 1409425 (https://service.sap.com/sap/support/notes/1409425) -- Disclosure Timeline: 2009-11-09 - Vulnerability reported to vendor 2010-03-16 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * AbdulAziz Hariri of Insight Technologies -- 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

Referencje:

http://xforce.iss.net/xforce/xfdb/56950
http://www.zerodayinitiative.com/advisories/ZDI-10-032/
http://www.vupen.com/english/advisories/2010/0643
http://www.securitytracker.com/id?1023719
http://www.securityfocus.com/bid/38769
http://www.securityfocus.com/archive/1/archive/1/510125/100/0/threaded
http://secunia.com/advisories/38955
http://osvdb.org/63047


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