CVE-2022-3075 Google Chromium Mojo: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Sep 29, 2022
What to do
- Install Google's security update for Chromium Mojo. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Let the browser auto-update and relaunch it when it asks — the fix is not active until you do.
- Keep extensions to a minimum and remove ones you do not recognise.
- Stop using Internet Explorer and any browser that no longer gets updates.
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: A malicious or hacked website can be enough. Browser bugs are often the first step in a longer attack on the whole computer or phone.
The details
- Official name
- Google Chromium Mojo Insufficient Data Validation Vulnerability
- Product
- Google Chromium Mojo
- CISA description
- Google Chromium Mojo contains an insufficient data validation vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
- Type of flaw
- Software flaw (CWE-20)
- Confirmed exploited
- Sep 8, 2022
- US federal patch deadline
- Sep 29, 2022
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Answering about CVE-2022-3075 ·
Questions about CVE-2022-3075
Is CVE-2022-3075 being exploited?
Yes. CISA added CVE-2022-3075 to its Known Exploited Vulnerabilities catalog on Sep 8, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2022-3075?
Install Google's security update for Chromium Mojo. If no update exists, follow the vendor's workaround or stop using the product until one ships. Let the browser auto-update and relaunch it when it asks — the fix is not active until you do.
Am I affected by CVE-2022-3075?
Only if you use Google Chromium Mojo. This one is aimed at devices or apps of the kind people own.