CVE-2017-5428 Integer overflow in Firefox

Q: Is CVE-2017-5428 being exploited?

There is no known exploitation of CVE-2017-5428 in the wild and no public exploit code.

Critical 9.8 Published 11 Jun 2018 Updated 5 Aug 2024

An integer overflow in Firefox's createImageBitmap API allows attackers to potentially execute code, requiring a sandbox escape for full compromise.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-5428?

CVE-2017-5428 is a critical vulnerability in Mozilla Firefox, published on 11 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the "createImageBitmap" API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer. This vulnerability affects Firefox ESR < 52.0.1 and Firefox < 52.0.1.

Weakness: CWE-190

Which versions are affected by CVE-2017-5428?

It affects 8 products.

Linux distribution packages (6)

`firefox` Red Hat:enterprise_linux:7::client	All versions	`0:52.0-5.el7_3`
`firefox-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:52.0-5.el7_3`
`firefox` Red Hat:enterprise_linux:7::server	All versions	`0:52.0-5.el7_3`
`firefox-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:52.0-5.el7_3`
`firefox` Red Hat:enterprise_linux:7::workstation	All versions	`0:52.0-5.el7_3`
`firefox-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:52.0-5.el7_3`

Products include Mozilla Firefox, Mozilla Firefox Esr, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 2 more.

How do I fix CVE-2017-5428?

Apply the vendor's patch.

Is CVE-2017-5428 being exploited?

There is no known exploitation of CVE-2017-5428 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-3c9m-5j33-vjf4, RHSA-2017:0558, UBUNTU-CVE-2017-5428, USN-3238-1.