PT-2020-17055 · Devid Espenschied · Pc Analyser+1

Michal Poslušný · Published 2020-11-27 · Updated 2021-07-21 · CVE-2020-28922

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Devid Espenschied PC Analyser versions through 4.10

Description An issue was discovered that allows low-privilege users to read and write arbitrary physical memory due to the exposure of IOCTL functionality by the PCADRVX64.SYS kernel driver. This could lead to arbitrary Ring-0 code execution and escalation of privileges.

Recommendations For Devid Espenschied PC Analyser versions through 4.10, consider disabling the PCADRVX64.SYS kernel driver as a temporary workaround until a patch is available. Restrict access to the IOCTL functionality to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2020-28922

Affected Products

Pc Analyser

Pcadrvx64.Sys

References · 7

• 🔥 https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28922/CVE-2020-28922.md · Exploit
• http://pcanalyser.de/index.php/historie · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28922 · Security Note
• https://osv.dev/vulnerability/CVE-2020-28922 · Vendor Advisory
• https://github.com/eset/vulnerability-disclosures · Note
• https://t.me/cibsecurity/16896 · Telegram Post
• https://t.me/cibsecurity/17441 · Telegram Post