#VU101886 Integer underflow in arm-trusted-firmware - CVE-2024-6285

Vulnerability identifier: #VU101886

Vulnerability 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-2024-6285

CWE-ID: CWE-191

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
arm-trusted-firmware
Hardware solutions / Firmware

Vendor: renesas-rcar

Description

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

The vulnerability exists due to integer underflow in image range check calculations. A local user can trigger an integer underflow and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

arm-trusted-firmware: All versions

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External links
https://github.com/renesas-rcar/arm-trusted-firmware/commit/b596f580637bae919b0ac3a5471422a1f756db3b
https://asrg.io/security-advisories/cve-2024-6285/

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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.