ZDI-11-111: (0Day) Hewlett-Packard Virtual SAN Appliance hydra.exe Login Request Remote Code Execution Vulnerability

Type securityvulns
Reporter Securityvulns
Modified 2011-03-25T00:00:00


ZDI-11-111: (0Day) Hewlett-Packard Virtual SAN Appliance hydra.exe Login Request Remote Code Execution Vulnerability


March 23, 2011

-- CVSS: 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors: Hewlett-Packard

-- Affected Products: Hewlett-Packard Virtual SAN Appliance

-- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Hewlett-Packard Virtual SAN appliance. Authentication is not required to exploit this vulnerability.

The flaw exists within the hydra.exe component which listens by default on port 13838. When parsing a login request the Hydra daemon will call sscanf() using fixed-length stack buffers and no length checks. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM service.

-- Vendor Response: March 23, 2011 - This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 180 day deadline.

-- Mitigations: This vulnerability could be mitigated by administrators by restricting communication with the hydra agent to known client IP addresses.

-- Disclosure Timeline: 2010-09-24 - Vulnerability reported to vendor 2011-03-23 - Public release of advisory

-- Credit: This vulnerability was discovered by: * Nicolas Gregoire of Agarri (www.agarri.fr)

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