CVE-2021-38085

7.8 HIGH

The Canon TR150 print driver through 3.71.2.10 is vulnerable to a privilege escalation issue

Published: 2021-08-11 · Last updated: 2026-06-17

Severity and scoring

CVSS: 7.8 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-732

Affected products

Vendor	Product
canon	pixma_tr150_firmware

Description

The Canon TR150 print driver through 3.71.2.10 is vulnerable to a privilege escalation issue. During the add printer process, a local attacker can overwrite CNMurGE.dll and, if timed properly, the overwritten DLL will be loaded into a SYSTEM process resulting in escalation of privileges. This occurs because the driver drops a world-writable DLL into a CanonBJ %PROGRAMDATA% location that gets loaded by printisolationhost (a system process).

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-38085
[Exploit reference]http://packetstormsecurity.com/files/163795/Canon-TR150-Driver-3.71.2.10-Privilege-Escalation.html
[Other]https://defcon.org/html/defcon-29/dc-29-speakers.html#baines
[Other]https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_03.txt
[Exploit reference]https://www.youtube.com/watch?v=vdesswZYz-8
[Exploit reference]http://packetstormsecurity.com/files/163795/Canon-TR150-Driver-3.71.2.10-Privilege-Escalation.html
[Other]https://defcon.org/html/defcon-29/dc-29-speakers.html#baines
[Other]https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_03.txt
[Exploit reference]https://www.youtube.com/watch?v=vdesswZYz-8

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