Advisory Details

March 16th, 2021

Siemens Solid Edge Viewer 3DS File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability

ZDI-21-317
ZDI-CAN-11942

CVE ID CVE-2021-22649
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Siemens
AFFECTED PRODUCTS Solid Edge Viewer
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Solid Edge 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 3DS files. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS Siemens has issued an update to correct this vulnerability. More details can be found at:
https://us-cert.cisa.gov/ics/advisories/icsa-21-035-01
DISCLOSURE TIMELINE
  • 2020-10-14 - Vulnerability reported to vendor
  • 2021-03-16 - Coordinated public release of advisory
CREDIT rgod
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