openEuler update for edk2

1) Out-of-bounds read

EUVDB-ID: #VU93424

Risk: Low

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

CVE-ID: CVE-2024-5535

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the SSL_select_next_proto() function when using NPN. A remote attacker can send specially crafted data to the application, trigger an out-of-bounds read and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4 - 24.03 LTS

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

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:o:openeuler:python3-edk2-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:edk2-ovmf:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:edk2-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:edk2-aarch64:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:edk2-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:edk2-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:edk2-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:edk2:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1914

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.