Advisory Details

January 12th, 2021

SAP 3D Visual Enterprise Viewer DIB File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-21-007
ZDI-CAN-11934

CVE ID CVE-2021-21455
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS SAP
AFFECTED PRODUCTS 3D Visual Enterprise Viewer
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SAP 3D Visual Enterprise 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 DIB files. 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

fixed with the latest patch release VE Viewer 9.0 FP10


DISCLOSURE TIMELINE
  • 2020-10-21 - Vulnerability reported to vendor
  • 2021-01-12 - Coordinated public release of advisory
CREDIT Francis Provencher {PRL}
BACK TO ADVISORIES