Intel Wi-Fi Link Driver Netwtw06 Out-Of-Bounds Write Remote Code Execution Vulnerability

April 15th, 2020
ZDI-20-496 ZDI-CAN-9402

CVE ID

CVE-2020-0557

CVSS Score

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

Affected Vendors

Intel

Affected Products

Wi-Fi Link Driver

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Intel Wi-Fi Link Driver. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the processing of 802.11 frames. 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 buffer. An attacker can leverage this vulnerability to execute code in the context of the kernel.

Additional Details

Intel has issued an update to correct this vulnerability. More details can be found at:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00338.html

Disclosure Timeline

  • 2019-12-10 - Vulnerability reported to vendor
  • 2020-04-15 - Coordinated public release of advisory
  • 2021-06-29 - Advisory Updated

Credit

Haikuo Xie ,Ying Wang of Baidu Security Lab

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