Privilege escalation via LogoFAIL attack in Insyde kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-40238 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Insyde Kernel Operating systems & Components / Operating system |
| Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Input validation error
EUVDB-ID: #VU83973
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-40238
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input. A local user with write access to the ESP of the victim device can exploit by storing a maliciously crafted logo image.
The vulnerability was dubbed LogoFAIL.
MitigationInstall updates from vendor's website.
Vulnerable software versionsInsyde Kernel: before 5.6 05.60.47
External linkshttp://www.insyde.com/security-pledge/SA-2023053
http://binarly.io/posts/finding_logofail_the_dangers_of_image_parsing_during_system_boot/index.html
http://binarly.io/posts/finding_logofail_the_dangers_of_image_parsing_during_system_boot/index.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
