Integer overflow in edk2 - CVE-2022-36764

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Main Vulnerability Database Vulnerabilities #VU87737

Integer overflow in edk2 - CVE-2022-36764

Published: March 22, 2024


Vulnerability identifier: #VU87737
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-36764
CWE-ID: CWE-190
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 integer overflow within the Tcg2MeasurePeImage() function. A remote attacker can pass specially crafted data to the application, trigger an integer overflow 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-2022-36764

Install updates from vendor's website.

Sources