openEuler 20.03 LTS SP1 update for edk2

1) Uncontrolled Recursion

EUVDB-ID: #VU62014

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

edk2-help: before 202002-4

edk2-aarch64: before 202002-4

edk2-ovmf: before 202002-4

python3-edk2-devel: before 202002-4

edk2-devel: before 202002-4

edk2-debugsource: before 202002-4

edk2-debuginfo: before 202002-4

edk2: before 202002-4

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1251

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.