CVE-2017-5020 Security feature bypass in Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, and 56.0.2924.87 for Android
Remote attackers can execute arbitrary code by bypassing user gesture requirements for downloads, tricking users into installing malicious extensions via crafted HTML pages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-5020?
CVE-2017-5020 is a medium-severity vulnerability in Google Chrome, published on 17 Feb 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, and 56.0.2924.87 for Android, failed to require a user gesture for powerful download operations, which allowed a remote attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted HTML page.
Weakness: CWE-79
Which versions are affected by CVE-2017-5020?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2017-5020?
Upgrade to a fixed version.
Is CVE-2017-5020 being exploited?
There is no known exploitation of CVE-2017-5020 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as GHSA-2mmr-5x9x-4m97, UBUNTU-CVE-2017-5020.