Uncontrolled Recursion in EDK 2



| Updated: 2022-04-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-28210
CWE-ID CWE-674
Exploitation vector Local
Public exploit N/A
Vulnerable software
 edk2
Hardware solutions / Firmware

Vendor TianoCore

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Uncontrolled Recursion

EUVDB-ID: #VU62014

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28210

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to an unlimited recursion in DxeCore. A local user can execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

edk2: edk2-stable202008

CPE2.3 External links

https://bugzilla.tianocore.org/show_bug.cgi?id=1743


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.



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