SUSE update for ovmf

Published: 2021-03-30

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-28210 CVE-2021-28211
CWE-ID	CWE-674 CWE-122
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server Operating systems & Components / Operating system qemu-uefi-aarch64 Operating systems & Components / Operating system package or component qemu-ovmf-x86_64 Operating systems & Components / Operating system package or component ovmf-tools Operating systems & Components / Operating system package or component ovmf Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

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

Update the affected package ovmf to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP5

qemu-uefi-aarch64: before 2017+git1510945757.b2662641d5-3.35.1

qemu-ovmf-x86_64: before 2017+git1510945757.b2662641d5-3.35.1

ovmf-tools: before 2017+git1510945757.b2662641d5-3.35.1

ovmf: before 2017+git1510945757.b2662641d5-3.35.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20210987-1/

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.

2) Heap-based buffer overflow

EUVDB-ID: #VU54481