Buffer overflow in edk2 - CVE-2023-45235

 

Buffer overflow in edk2 - CVE-2023-45235

Published: January 17, 2024


Vulnerability identifier: #VU85526
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-45235
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: TianoCore
Affected software:
edk2

Detailed vulnerability description

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

The vulnerability exists due to a boundary error when handling Server ID option from a DHCPv6 proxy Advertise message. A remote attacker on the local network 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.


How to mitigate CVE-2023-45235

Install updates from vendor's website.

Sources