CVE-2021-21107: Use after free in drag and drop

Published Nov 30, 2020
·
Updated

Use after free in drag and drop in Google Chrome on Linux prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Credit

Leecraso(360 Alpha Lab), Guang Gong(360 Alpha Lab)

Affected Software

7 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<87.0.4280.141
87.0.4280.141
Google Chrome<87.0.4280.141
Linux Linux kernel
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Debian Debian Linux=10.0

Event History

Nov 30, 2020
CVE Published
12:00 AM
Jan 8, 2021
CVE Published
via MITRE·05:56 PM
Data Sourced
via MITRE·05:56 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2021-21107?

CVE-2021-21107 has a high severity rating due to its potential to allow sandbox escape through a use after free vulnerability.

2

How do I fix CVE-2021-21107?

To fix CVE-2021-21107, users should update Google Chrome to version 87.0.4280.141 or later.

3

Which versions of Google Chrome are affected by CVE-2021-21107?

Versions prior to 87.0.4280.141 of Google Chrome for Linux are affected by CVE-2021-21107.

4

Can CVE-2021-21107 be exploited remotely?

Yes, CVE-2021-21107 can be exploited remotely by a malicious actor through a crafted HTML page.

5

Is there a specific operating system affected by CVE-2021-21107?

CVE-2021-21107 specifically affects Google Chrome running on Linux systems.

Contact

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