CVE-2022-36763 — Heap-based Buffer Overflow in Edk2

CWE-122 — Heap-based Buffer OverflowCWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-680 — Integer Overflow to Buffer Overflow8 documents7 sources
Severity
7.8HIGHNVD
CNA7.0
EPSS
0.1%
top 81.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Tianocore Edk2
Timeline
PublishedJan 9
Latest updateFeb 15

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶Debiantianocore/edk2< 2020.11-2+deb11u3+3
▶Ubuntutianocore/edk2< 0~20191122.bd85bf54-2ubuntu3.5+1
▶CVEListV5tianocore/edk2* — 202311
▶NVDtianocore/edk2202311

🔴Vulnerability Details

3
OSV
edk2 vulnerabilities↗2024-02-15
▶
OSV
CVE-2022-36763: EDK2 is susceptible to a vulnerability in the Tcg2MeasureGptTable() function, allowing a user to trigger a heap buffer overflow via a local network↗2024-01-09
▶
CVEList
Heap Buffer Overflow in Tcg2MeasureGptTable↗2024-01-09
▶

📋Vendor Advisories

4
Ubuntu
EDK II vulnerabilities↗2024-02-15
▶
Microsoft
Heap Buffer Overflow in Tcg2MeasureGptTable↗2024-01-09
▶
Red Hat
EDK2: heap buffer overflow in Tcg2MeasureGptTable()↗2024-01-09
▶
Debian
CVE-2022-36763: edk2 - EDK2 is susceptible to a vulnerability in the Tcg2MeasureGptTable() function, al...↗2022
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CVE-2022-36763 — Heap-based Buffer Overflow in Edk2 | cvebase