CVE-2019-8135 Remote code execution via vulnerable Symphony dependecy injection

What is CVE-2019-8135?

CVE-2019-8135 is a critical code injection vulnerability in Magento Magento, published on 5 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A remote code execution vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. Dependency injection through Symphony framework allows service identifiers to be derived from user controlled data, which can lead to remote code execution.

Weakness: CWE-74

Which versions are affected by CVE-2019-8135?

4 open source packages ship an affected version, including magento/community-edition. It affects 1 product.

Products include Magento Magento.

How do I fix CVE-2019-8135?

Upgrade magento/community-edition to a fixed version for your release line: 2.2.10 or 2.3.2-p2.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2019-8135 being exploited?

There is no known exploitation of CVE-2019-8135 in the wild and no public exploit code.

Other vulnerabilities in Magento Magento

• CVE-2020-9664 Magento php object injection vulnerability Critical 9.8
• CVE-2020-9576 Magento command injection vulnerability Critical 9.8
• CVE-2020-9578 Magento command injection vulnerability Critical 9.8
• CVE-2020-9579 Magento Security mitigation bypass vulnerability Critical 9.8
• CVE-2020-9580 Magento Security mitigation bypass vulnerability Critical 9.8

All Magento Magento vulnerabilities

Sources

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

Also known as GHSA-3q5x-7mxp-rp6j.