SAP 3D Visual Enterprise Viewer JT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

March 15th, 2021
ZDI-21-312 ZDI-CAN-12433

CVE ID

CVE-2021-27587

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 JT files. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Fixed in SAP 3D Visual Enterprise Viewer 9.0 FP10 MP2


Disclosure Timeline

  • 2021-01-05 - Vulnerability reported to vendor
  • 2021-03-15 - Coordinated public release of advisory

Credit

Anonymous

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