openEuler update for linux-firmware
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-12321 |
| CWE-ID | CWE-119 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system linux-firmware Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU48422
Risk: Medium
CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-12321
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error. A remote attacker on the local network can trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 22.03 LTS
linux-firmware: before 20211027-1
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1779
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
