Advisory Details

November 24th, 2013

HP Virtual User Generator EmulationAdmin Service saveCodeRuleFile Remote Code Execution Vulnerability

CVE ID	CVE-2013-4838
CVSS SCORE	10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Hewlett-Packard
AFFECTED PRODUCTS	Virtual User Generator
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of HP Virtual User Generator. Authentication is not required to exploit this vulnerability. The specific flaw exists in the handling of requests to the EmulationAdmin web service. This service exposes the saveCodeRuleFile method which contains a directory traversal flaw that allows attackers to create files at arbitrary locations with attacker controlled data. This can be leveraged by an attacker to gain remote code execution under the context of SYSTEM.
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-c03969437
DISCLOSURE TIMELINE	2013-04-26 - Vulnerability reported to vendor 2013-11-24 - Coordinated public release of advisory
CREDIT	Andrea Micalizzi aka rgod

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