openEuler 22.03 LTS SP4 update for edk2

Published: 2025-02-28

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-13176 CVE-2024-4741
CWE-ID	CWE-385 CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	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 information about 2 vulnerabilities.

1) Covert Timing Channel

EUVDB-ID: #VU103600

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-13176

CWE-ID: CWE-385 - Covert Timing Channel

Exploit availability: No

Description

The vulnerability allows a remote attacker to recover a private key.

The vulnerability exists due to a timing side-channel in ECDSA signature computations. A remote attacker can recover the private key and decrypt data.

Successful exploitation of the vulnerability requires that the attacker's process must either be located in the same physical computer or must have a very fast network connection with low latency.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP4

python3-edk2-devel: before 202011-23

edk2-ovmf: before 202011-23

edk2-help: before 202011-23

edk2-aarch64: before 202011-23

edk2-devel: before 202011-23

edk2-debugsource: before 202011-23

edk2-debuginfo: before 202011-23

edk2: before 202011-23

CPE2.3

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1190

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU89861