#VU89083 Integer overflow in edk2 - CVE-2022-36763

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Main Vulnerability Database Vulnerabilities #VU89083

#VU89083 Integer overflow in edk2 - CVE-2022-36763

Published: May 1, 2024


Vulnerability identifier: #VU89083
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-36763
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
edk2
Software vendor:
TianoCore

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the Tcg2MeasureGptTable() function when reading untrusted input from the disk. A local user can set up a malicious GPT table to trigger an integer overflow and overwrite code from UEFI applications.


Remediation

Install updates from vendor's website.

External links