Google Chromium Vulkan SwiftShader Double Free Remote Code Execution Vulnerability

November 6th, 2023
ZDI-23-1583 ZDI-CAN-22148

CVE ID

CVSS Score

8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

Google

Affected Products

Chromium

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Google Chromium-based browsers. 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 Vulkan SwiftShader. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Fixed in Chrome 117
https://swiftshader-review.googlesource.com/c/SwiftShader/+/71928


Disclosure Timeline

  • 2023-09-14 - Vulnerability reported to vendor
  • 2023-11-06 - Coordinated public release of advisory
  • 2023-11-07 - Advisory Updated

Credit

Dohyun Lee (@l33d0hyun)

Back to Advisories