Vulnerability · Published Jan 9, 2024 · Assigned by TianoCore
CVE-2022-36763Heap Buffer Overflow in Tcg2MeasureGptTable
High 7.0
In plain English
A high-severity heap buffer overflow in edk2 from TianoCore. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.3%top 78.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
EDK2 is susceptible to a vulnerability in the Tcg2MeasureGptTable() function, allowing a user to trigger a heap buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | edk2-aarch64 | 20220126gitbb1bba3d77-13.el8_10 | ALSA-2024:3017 |
| AlmaLinux:9 | edk2-aarch64 | 20231122-6.el9 | ALSA-2024:2264 |
| AlmaLinux:8 | edk2-ovmf | 20220126gitbb1bba3d77-13.el8_10 | ALSA-2024:3017 |
| AlmaLinux:9 | edk2-ovmf | 20231122-6.el9 | ALSA-2024:2264 |
| AlmaLinux:9 | edk2-tools | 20231122-6.el9 | ALSA-2024:2264 |
| AlmaLinux:9 | edk2-tools-doc | 20231122-6.el9 | ALSA-2024:2264 |
| Debian:12 | edk2 | 2022.11-6+deb12u1 | DEBIAN-CVE-2022-36763 |
| Debian:13 | edk2 | 2023.11-5 | DEBIAN-CVE-2022-36763 |
| Debian:14 | edk2 | 2023.11-5 | DEBIAN-CVE-2022-36763 |
| Rocky Linux:8 | edk2 | 0:20220126gitbb1bba3d77-13.el8_10 | RLSA-2024:3017 |
| Rocky Linux:9 | edk2 | 0:20231122-6.el9 | RLSA-2024:2264 |
| Ubuntu:22.04:LTS | edk2 | 2022.02-3ubuntu0.22.04.2 | USN-6638-1 |
| Ubuntu:22.04:LTS | edk2 | 2022.02-3ubuntu0.22.04.2 | UBUNTU-CVE-2022-36763 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H