Advisory Details

April 3rd, 2014

Splunk runshellscript echo.sh Remote Code Execution Vulnerability

CVE ID	CVE-2013-6771
CVSS SCORE	9.0, AV:N/AC:L/Au:S/C:C/I:C/A:C
AFFECTED VENDORS	Splunk
AFFECTED PRODUCTS	Splunk Enterprise
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Splunk. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the advanced search functionality. Using a multi-staged attack, it is possible to execute arbitrary commands on the underlying operating system by sending a malformed string to the "runshellscript echo.sh" script. This vulnerability allows an attacker to execute code under the context of the process.
ADDITIONAL DETAILS	Splunk has issued an update to correct this vulnerability. More details can be found at: http://www.splunk.com/view/SP-CAAAH76
DISCLOSURE TIMELINE	2013-08-09 - Vulnerability reported to vendor 2014-04-03 - Coordinated public release of advisory
CREDIT	CyberCrown Ltd.

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