Advisory Details

April 19th, 2017

ThinPrint TPView JPEG2000 Parsing Heap-based Buffer Overflow Privilege Escalation Vulnerability

CVE ID	CVE-2017-4911
CVSS SCORE	6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	ThinPrint
AFFECTED PRODUCTS	ThinPrint
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of ThinPrint. 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 JPEG2000 parsing. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the host OS.
ADDITIONAL DETAILS	ThinPrint has issued an update to correct this vulnerability. More details can be found at: https://www.vmware.com/security/advisories/VMSA-2017-0008.html
DISCLOSURE TIMELINE	2016-11-30 - Vulnerability reported to vendor 2017-04-19 - Coordinated public release of advisory
CREDIT	Ke Liu of Tencent's Xuanwu LAB

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