CVE-2023-3431 Improper Access Control in plantuml/plantuml

What is CVE-2023-3431?

CVE-2023-3431 is a medium-severity missing authorization 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

Improper Access Control in GitHub repository plantuml/plantuml prior to 1.2023.9.

Weakness: CWE-284

Which versions are affected by CVE-2023-3431?

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

Products include Fedoraproject Fedora, Plantuml Plantuml.

How do I fix CVE-2023-3431?

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

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-3431 being exploited?

There is no known exploitation of CVE-2023-3431 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-2023-3431, GHSA-p2mf-q26j-3xmh, UBUNTU-CVE-2023-3431.