Advisory Details

August 11th, 2017

Bitdefender Internet Security NSIS Sections Integer Overflow Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Bitdefender
AFFECTED PRODUCTS	Internet Security
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Bitdefender Internet Security. 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 nsis.xmd. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code under the context of SYSTEM.
ADDITIONAL DETAILS	January 31: The issue is now fixed: Version - 7876821
DISCLOSURE TIMELINE	2017-01-23 - Vulnerability reported to vendor 2017-08-11 - Coordinated public release of advisory
CREDIT	Pagefault

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