CVE-2017-11215 Use after free in Adobe Flash Player 27.0.0.183 and earlier versions

What is CVE-2017-11215?

CVE-2017-11215 is a critical use after free vulnerability in Adobe Flash Player, published on 9 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Adobe Flash Player 27.0.0.183 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the Primetime SDK. The mismatch between an old and a new object can provide an attacker with unintended memory access -- potentially leading to code corruption, control-flow hijack, or an information leak attack. Successful exploitation could lead to arbitrary code execution.

Weakness: CWE-416

Which versions are affected by CVE-2017-11215?

It affects 4 products.

Products include Adobe Flash Player, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2017-11215?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2017-11215 being exploited?

There is no known exploitation of CVE-2017-11215 in the wild and no public exploit code.

Other vulnerabilities in Adobe Flash Player

• CVE-2017-11292 Adobe Flash Player Type Confusion Exploited High 8.8
• CVE-2016-7892 Adobe Flash Player Use-After-Free Exploited High 8.8
• CVE-2016-7855 Adobe Flash Player Use-After-Free Exploited High 8.8
• CVE-2014-0497 Adobe Flash Player Integer Underflow Vulnerablity Exploited High 8.8
• CVE-2013-0643 Adobe Flash Player Incorrect Default Permissions Exploited High 8.8

All Adobe Flash Player vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CVE-2018-6058, GHSA-8c2h-4vmr-78g7, UBUNTU-CVE-2017-11215.