CVE-2019-20176 Denial of service in n/a

What is CVE-2019-20176?

CVE-2019-20176 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 31 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Pure-FTPd 1.0.49, a stack exhaustion issue was discovered in the listdir function in ls.c.

Weakness: CWE-400

Which versions are affected by CVE-2019-20176?

It affects 2 products.

Products include Fedoraproject Fedora, Pureftpd Pure-Ftpd.

How do I fix CVE-2019-20176?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-20176 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-20176 exists.

Public exploit code: 1 Nuclei template.

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-2019-20176, GHSA-fgwh-frh9-vm43, UBUNTU-CVE-2019-20176.