openEuler update for edk2
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-38578 |
| CWE-ID | CWE-787 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system python3-edk2-devel 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-ovmf Operating systems & Components / Operating system package or component edk2-devel Operating systems & Components / Operating system package or component edk2-debuginfo Operating systems & Components / Operating system package or component edk2-debugsource 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) Out-of-bounds write
EUVDB-ID: #VU75395
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-2021-38578
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in MdeModulePkg/Core/PiSmmCore/PiSmmCore.c. A local user trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 22.03 LTS
python3-edk2-devel: before 202002-11
edk2-help: before 202002-11
edk2-aarch64: before 202002-11
edk2-ovmf: before 202002-11
edk2-devel: before 202002-11
edk2-debuginfo: before 202002-11
edk2-debugsource: before 202002-11
edk2: before 202002-11
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
- cpe:2.3:o:openeuler:python3-edk2-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:edk2-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:edk2-aarch64:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:edk2-ovmf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:edk2-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:edk2-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:edk2-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:edk2:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2122
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.
