#VU80066 Buffer overflow in DGX H100 BMC - CVE-2023-25527

Vulnerability identifier: #VU80066

Vulnerability 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-2023-25527

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
DGX H100 BMC
Hardware solutions / Drivers

Vendor: nVidia

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the host KVM daemon. A local user can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

DGX H100 BMC: before 23.08.18

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External links
https://nvidia.custhelp.com/app/answers/detail/a_id/5473

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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.