CVE-2023-3432 Server-Side Request Forgery (SSRF) in plantuml/plantuml

What is CVE-2023-3432?

CVE-2023-3432 is a high-severity server-side request forgery vulnerability in Fedoraproject Fedora, published on 27 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Weakness: CWE-918

Which versions are affected by CVE-2023-3432?

4 open source packages ship an affected version, including net.sourceforge.plantuml:plantuml and net.sourceforge.plantuml:plantuml-mit. It affects 2 products.

Products include Fedoraproject Fedora, Plantuml Plantuml.

How do I fix CVE-2023-3432?

Upgrade net.sourceforge.plantuml:plantuml to 1.2023.9 or later.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-3432 being exploited?

There is no known exploitation of CVE-2023-3432 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-2023-3432, GHSA-ff3m-68vj-h86p.