Advisory Details

October 28th, 2021

ICONICS GENESIS64 DWG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-21-1237
ZDI-CAN-14064

CVE ID CVE-2021-27041
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS ICONICS
AFFECTED PRODUCTS GENESIS64
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of ICONICS GENESIS64. 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 DWG files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS ICONICS has issued an update to correct this vulnerability. More details can be found at:
https://us-cert.cisa.gov/ics/advisories/icsa-21-294-01
DISCLOSURE TIMELINE
  • 2021-06-25 - Vulnerability reported to vendor
  • 2021-10-28 - Coordinated public release of advisory
CREDIT Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
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