CVE-2022-40661: ZDI-22-1217

September 14th, 2022

(0Day) NIKON NIS-Elements Viewer BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability****ZDI-22-1217
ZDI-CAN-15134

CVE ID

CVE-2022-40661

CVSS SCORE

7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

AFFECTED VENDORS

NIKON

AFFECTED PRODUCTS

NIS-Elements Viewer

VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements Viewer. 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 parsing of BMP images. 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 in the context of the current process.

ADDITIONAL DETAILS

09/30/21 – ZDI reported the vulnerabilities to the vendor.

02/24/22 – ZDI requested an update.

03/02/22 – ZDI requested an update.

03/29/22 – The vendor asked for the reports to be sent again.

03/29/22 – ZDI resent the reports to the vendor.

08/24/22 – ZDI requested an update.

08/24/22 – The vendor advised that the reports did not meet the bar for servicing because it is a legacy product.

09/09/22 –  ZDI notified the vendor of the intention to publish the cases as 0-day advisories on 09/13/22.

– Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application.

DISCLOSURE TIMELINE

• 2022-03-29 - Vulnerability reported to vendor
• 2022-09-14 - Coordinated public release of advisory

CREDIT

Mat Powell of Trend Micro Zero Day Initiative

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