Advisory Details

September 3rd, 2015

Symantec Ghost Out-Of-Bounds Indexing Remote Code Execution Vulnerability

CVE ID	CVE-2015-5689
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Symantec
AFFECTED PRODUCTS	Ghost
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Symantec Ghost. 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 handling of Ghost images. The issue lies in sign-extending byte values from an array before using them as an index into an array, allowing for out-of-bounds access. An attacker can leverage this vulnerability to execute arbitrary code within the context of the current process.
ADDITIONAL DETAILS	Symantec has issued an update to correct this vulnerability. More details can be found at: http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20150902_00
DISCLOSURE TIMELINE	2015-06-02 - Vulnerability reported to vendor 2015-09-03 - Coordinated public release of advisory
CREDIT	Steven Seeley of Source Incite

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