Medium: edk2

Issue Overview:

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. (CVE-2022-36763)

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. (CVE-2022-36764)

Affected Packages:

edk2

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update edk2 to update your system.

New Packages:

aarch64:  
    edk2-tools-20200801stable-1.amzn2.0.3.aarch64  
    edk2-debuginfo-20200801stable-1.amzn2.0.3.aarch64  
  
noarch:  
    edk2-tools-python-20200801stable-1.amzn2.0.3.noarch  
    edk2-tools-doc-20200801stable-1.amzn2.0.3.noarch  
    edk2-ovmf-20200801stable-1.amzn2.0.3.noarch  
    edk2-aarch64-20200801stable-1.amzn2.0.3.noarch  
  
src:  
    edk2-20200801stable-1.amzn2.0.3.src  
  
x86_64:  
    edk2-tools-20200801stable-1.amzn2.0.3.x86_64  
    edk2-debuginfo-20200801stable-1.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2022-36763, CVE-2022-36764

Mitre: CVE-2022-36763, CVE-2022-36764