TianoCore EDK2 up to 202311 Tcg2MeasureGptTable heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in TianoCore EDK2 up to 202311. This vulnerability affects the function Tcg2MeasureGptTable. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2022-36763. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in TianoCore EDK2 up to 202311 and classified as critical. This vulnerability affects the function Tcg2MeasureGptTable. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 01/09/2024 as GHSA-xvv8-66cq-prwr. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-36763 since 07/25/2022. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 211827 (Oracle Linux 9 : edk2 (ELSA-2024-12842)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (211827). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.5
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.0
CNA Vector (TianoCore.org): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211827
Nessus Name: Oracle Linux 9 : edk2 (ELSA-2024-12842)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2022 🔍
01/09/2024 +533 days 🔍
01/09/2024 +0 days 🔍
11/26/2024 +322 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-xvv8-66cq-prwr
Status: Confirmed

CVE: CVE-2022-36763 (🔍)
GCVE (CVE): GCVE-0-2022-36763
GCVE (VulDB): GCVE-100-250132

Entryinfo

Created: 01/09/2024 17:25
Updated: 11/26/2024 07:02
Changes: 01/09/2024 17:25 (48), 01/26/2024 13:38 (12), 11/26/2024 07:02 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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