Remote code execution in edk2

1) Integer overflow

EUVDB-ID: #VU97766

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-38796

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in PeCoffLoaderRelocateImage. A remote user on the local network can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

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

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

edk2: edk2-stable201808 - UDK2018

CPE2.3

• cpe:2.3:h:tianocore:edk2:edk2-stable202405:*:*:*:*:*:*:*
• cpe:2.3:h:tianocore:edk2:edk2-stable202402:*:*:*:*:*:*:*
• cpe:2.3:h:tianocore:edk2:edk2-stable202311:*:*:*:*:*:*:*

External links

http://github.com/tianocore/edk2/security/advisories/GHSA-xpcr-7hjq-m6qm

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.