openEuler 22.03 LTS SP1 update for edk2



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-36763
CWE-ID CWE-190
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		openEuler
Operating systems & Components / Operating system

python3-edk2-devel
Operating systems & Components / Operating system package or component

edk2-ovmf
Operating systems & Components / Operating system package or component

edk2-help
Operating systems & Components / Operating system package or component

edk2-aarch64
Operating systems & Components / Operating system package or component

edk2-devel
Operating systems & Components / Operating system package or component

edk2-debugsource
Operating systems & Components / Operating system package or component

edk2-debuginfo
Operating systems & Components / Operating system package or component

edk2
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU89083

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36763

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the Tcg2MeasureGptTable() function when reading untrusted input from the disk. A local user can set up a malicious GPT table to trigger an integer overflow and overwrite code from UEFI applications.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

python3-edk2-devel: before 202011-19

edk2-ovmf: before 202011-19

edk2-help: before 202011-19

edk2-aarch64: before 202011-19

edk2-devel: before 202011-19

edk2-debugsource: before 202011-19

edk2-debuginfo: before 202011-19

edk2: before 202011-19

CPE2.3 External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2024


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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