CVE-2016-7543 Command injection in n/a

What is CVE-2016-7543?

CVE-2016-7543 is a high-severity command injection vulnerability in Fedoraproject Fedora, published on 19 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.

Weakness: CWE-20

Which versions are affected by CVE-2016-7543?

It affects 2 products.

Products include Fedoraproject Fedora, Gnu Bash.

How do I fix CVE-2016-7543?

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-2016-7543 being exploited?

There is no known exploitation of CVE-2016-7543 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2016-7543, DLA-680-1, GHSA-6xh6-xvh9-w4h5, UBUNTU-CVE-2016-7543.