HPE Cray and ProLiant XL servers update for AMD EPYC firmware

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU96619

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-31315

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to improper validation in a model specific register (MSR). A malicious application with ring0 access can modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.

Mitigation

Install update from vendor's website.

Vulnerable software versions

HPE ProLiant XL675d Gen10 Plus: before 3.20_08-07-2024

HPE ProLiant XL645d Gen10 Plus: before 3.20_08-07-2024

Cray EX4252: before 1.7.0

Cray EX425: before 1.7.5

Cray EX255a: before 1.1.0

Cray EX235n: before 1.5.0

Cray EX235a: before 1.9.0

CPE2.3

• cpe:2.3:h:hpe:hpe_proliant_xl675d_gen10_plus:*:*:*:*:*:*:*:*
• cpe:2.3:h:hpe:hpe_proliant_xl645d_gen10_plus:*:*:*:*:*:*:*:*
• cpe:2.3:a:hpe:cray_ex4252_compute_blade:*:*:*:*:*:*:*:*
• cpe:2.3:h:hpe:cray_ex425_server:*:*:*:*:*:*:*:*
• cpe:2.3:h:hpe:cray_ex255a:*:*:*:*:*:*:*:*
• cpe:2.3:a:hpe:cray_ex235n_server:*:*:*:*:*:*:*:*
• cpe:2.3:a:hpe:cray_ex235a_accelerator_blade:*:*:*:*:*:*:*:*

External links

https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbcr04683en_us

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.