CVE-2022-36763: Heap Buffer Overflow in Tcg2MeasureGptTable

Published Jan 9, 2024
·
Updated

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.

Other sources

Heap Buffer Overflow in Tcg2MeasureGptTable

Microsoft

Affected Software

9 affected componentsFixes available
debian/edk2<=0~20181115.85588389-3+deb10u3, <=2020.11-2+deb11u1, <=2020.11-2+deb11u2, <=2022.11-6
2022.11-6+deb12u12024.02-2
ubuntu/edk2<0~20191122.
0~20191122.
ubuntu/edk2<2022.02-3ubuntu0.22.04.2
2022.02-3ubuntu0.22.04.2
ubuntu/edk2<2023.05-2ubuntu0.1
2023.05-2ubuntu0.1
Tianocore edk2<=202311
Microsoft cbl2 hvloader 1.0.1-11
Microsoft azl3 edk2 20240223gitedc6681206c1-1
Microsoft azl3 edk2 20230301gitf80f052277c8-37
Microsoft cbl2 edk2 20230301gitf80f052277c8-41

Event History

Jan 9, 2024
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·04:09 PM
Data Sourced
via MITRE·04:09 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Jan 10, 2024
Data Sourced
via Red Hat·06:12 AM
DescriptionSeverityAffected Software
Mar 30, 2024
Data Sourced
via Launchpad·02:45 AM
Description
Apr 8, 2024
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2022-36763?

CVE-2022-36763 is considered a critical vulnerability due to its potential impact on confidentiality, integrity, and availability.

2

How do I fix CVE-2022-36763?

To mitigate CVE-2022-36763, users should update to the latest version of the EDK2 software as specified in the advisories.

3

What systems are affected by CVE-2022-36763?

CVE-2022-36763 affects the Tianocore EDK2 firmware and various Linux distributions such as Ubuntu and Debian.

4

What is the nature of the vulnerability in CVE-2022-36763?

The vulnerability in CVE-2022-36763 involves a heap buffer overflow that can be triggered via a local network.

5

Can CVE-2022-36763 be exploited remotely?

Yes, CVE-2022-36763 can be exploited remotely due to its local network attack vector.

Contact

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CVE-2022-36763 - Heap Buffer Overflow in Tcg2MeasureGptTable - SecAlerts