CVE-2017-5078 Command injection in Google Chrome prior to 59.0.3071.86 for Linux, Windows and Mac

High 8.8 Published Updated

Remote attackers can execute arbitrary commands via crafted HTML pages due to insufficient input validation in Chrome's mailto handling.

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-2017-5078?

CVE-2017-5078 is a high-severity command injection vulnerability in Google Chrome, published on 27 Oct 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

Insufficient validation of untrusted input in Blink's mailto: handling in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac allowed a remote attacker to perform command injection via a crafted HTML page, a similar issue to CVE-2004-0121. For example, characters such as * have an incorrect interaction with xdg-email in xdg-utils, and a space character can be used in front of a command-line argument.

Which versions are affected by CVE-2017-5078?

It affects 4 products.

Products include Google Chrome, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2017-5078?

Upgrade to a fixed version.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2017-5078 being exploited?

There is no known exploitation of CVE-2017-5078 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as GHSA-mvv4-2gfv-gwc4, UBUNTU-CVE-2017-5078.

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