#VU16724 Authentication bypass in edk2 - CVE-2018-3613

Vulnerability identifier: #VU16724

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-2018-3613

CWE-ID: CWE-840

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
edk2
Hardware solutions / Firmware

Vendor: TianoCore

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to logic error in MdeModulePkg. A local attacker can bypass configuration access controls and gain elevated privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

edk2: All versions

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External links
https://edk2-docs.gitbooks.io/security-advisory/content/edk-ii-authenticated-variable-bypass.html

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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.