Untrusted Pointer Dereference in Insyde AsfSecureBootSmm driver



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-5953
CWE-ID CWE-822
Exploitation vector Network
Public exploit N/A
Vulnerable software
 AsfSecureBootSmm
Hardware solutions / Drivers

Vendor Insyde Software

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Untrusted Pointer Dereference

EUVDB-ID: #VU60264

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-5953

CWE-ID: CWE-822 - Untrusted Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to untrusted pointer dereference error in System Management Interrupt (SWSMI) handler. A remote attacker can trigger pointer dereference and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AsfSecureBootSmm: before 05.12.09.0074

CPE2.3 External links

https://www.insyde.com/security-pledge
https://www.insyde.com/products


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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