Advisory Details

April 3rd, 2014

Hewlett-Packard LeftHand Virtual SAN Appliance dbd_manager libens Unmarshalling Remote Code Execution Vulnerability

CVE ID	CVE-2013-4841
CVSS SCORE	10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Hewlett-Packard
AFFECTED PRODUCTS	LeftHand Virtual SAN
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['12695']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of HP LeftHand Virtual SAN Appliance. Authentication is not required to exploit this vulnerability. The flaw exists within the dbd_manager component which receives messages via the hydra process. This process listens on TCP port 13841. The dbd_manager uses the libens library for unmarshalling received messages, among other things. During the unmarshalling process an undersized allocation occurs followed by a copy of data to this region. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the root user.
ADDITIONAL DETAILS	Hewlett-Packard has issued an update to correct this vulnerability. More details can be found at: https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c03995204
DISCLOSURE TIMELINE	2012-05-13 - Vulnerability reported to vendor 2014-04-03 - Coordinated public release of advisory
CREDIT	e6af8de8b1d4b2b6d5ba2610cbf9cd38

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