CVE-2021-21117: Insufficient policy enforcement in Cryptohome

Published Oct 10, 2020
·
Updated

Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local attacker to perform OS-level privilege escalation via a crafted file.

Credit

Rory McNamara

Affected Software

2 affected componentsFixes available
Google Chrome<88.0.4324.96
88.0.4324.96
Google Chrome<88.0.4324.96

Event History

Oct 10, 2020
CVE Published
12:00 AM
Feb 9, 2021
CVE Published
via MITRE·01:55 PM
Data Sourced
via MITRE·01:55 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2021-21117?

CVE-2021-21117 has been classified as a high severity vulnerability due to its potential for OS-level privilege escalation.

2

How do I fix CVE-2021-21117?

To fix CVE-2021-21117, users should update Google Chrome to version 88.0.4324.96 or later.

3

Who is affected by CVE-2021-21117?

CVE-2021-21117 affects all users of Google Chrome versions prior to 88.0.4324.96.

4

What type of vulnerability is CVE-2021-21117?

CVE-2021-21117 is an insufficient policy enforcement vulnerability in Cryptohome within Google Chrome.

5

Can CVE-2021-21117 be exploited remotely?

No, CVE-2021-21117 requires local access to the system to be successfully exploited.

Contact

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