Time-of-check time-of-use (TOCTOU) race condition in Dell PowerEdge Server BIOS and Dell Precision Rack BIOS

1) Time-of-check Time-of-use (TOCTOU) Race Condition

EUVDB-ID: #VU95132

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-0163

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Exploit availability: No

Description

The vulnerability allows a local user to gain access to gain access to otherwise unauthorized resources.

The vulnerability exists due to TOCTOU race condition. A local low privileged attacker could potentially exploit this vulnerability to gain access to otherwise unauthorized resources.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PowerEdge Server BIOS: All versions

Precision Rack BIOS: All versions

External links

http://www.dell.com/support/kbdoc/en-us/000222756/dsa-2024-003-security-update-for-dell-poweredge-server-bios-for-a-time-of-check-time-of-use-toctou-vulnerability

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.