Source: edk2
X-Debbugs-CC: t...@security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerabilities were published for edk2.

CVE-2022-36763[0]:
| 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.

https://github.com/tianocore/edk2/security/advisories/GHSA-xvv8-66cq-prwr
https://bugzilla.tianocore.org/show_bug.cgi?id=4117

CVE-2022-36764[1]:
| 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.

https://github.com/tianocore/edk2/security/advisories/GHSA-4hcq-p8q8-hj8j
https://bugzilla.tianocore.org/show_bug.cgi?id=4118

CVE-2022-36765[2]:
| EDK2 is susceptible to a vulnerability in the CreateHob() function,
| allowing a user to trigger a integer overflow to buffer overflow via
| a local network. Successful exploitation of this vulnerability may
| result in a compromise of confidentiality, integrity, and/or
| availability.

https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx
https://bugzilla.tianocore.org/show_bug.cgi?id=4166


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2022-36763
    https://www.cve.org/CVERecord?id=CVE-2022-36763
[1] https://security-tracker.debian.org/tracker/CVE-2022-36764
    https://www.cve.org/CVERecord?id=CVE-2022-36764
[2] https://security-tracker.debian.org/tracker/CVE-2022-36765
    https://www.cve.org/CVERecord?id=CVE-2022-36765

Please adjust the affected versions in the BTS as needed.

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