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CVE-2022-36764

HIGHCVSS 7.8/10EPSS 0.29%

Last modified

CVE-2022-36764 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() 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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.29%

20.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TianocoreEdk2<= 202311

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-36764?
EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() 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.
How severe is CVE-2022-36764?
CVE-2022-36764 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2022-36764?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-36764?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST