PT-2020-12663 · Winmagic · Winmagic Securedoc

Published 2020-06-22 · Updated 2022-05-03 · CVE-2020-11520

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions WinMagic SecureDoc versions 8.5 and earlier

Description The issue allows local users to write to arbitrary kernel memory addresses due to the lack of pointer validation in the IOCTL dispatcher of the SDDisk2k.sys driver. This can result in privileged code execution.

Recommendations For versions 8.5 and earlier, consider disabling the SDDisk2k.sys driver until a patch is available to prevent exploitation. As a temporary workaround, restrict access to the IOCTL dispatcher to minimize the risk of privileged code execution. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2020-11520

Affected Products

Winmagic Securedoc

References · 5

• https://winmagic.com/support/release-notes/securedoc-v8-5-sr2-hf1 · Vendor Advisory
• https://winmagic.com/support/release-notes/securedoc-v8-5-sr2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-11520 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-11520 · Security Note
• https://t.me/cvenotify/4578 · Telegram Post