CVE-2023-5548 Moodle: cache poisoning risk with endpoint revision numbers

What is CVE-2023-5548?

CVE-2023-5548 is a low-severity vulnerability in Fedoraproject Extra Packages for Enterprise Linux, published on 9 Nov 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.

Weakness: CWE-345, CWE-349

Which versions are affected by CVE-2023-5548?

3 open source packages ship an affected version, including moodle/moodle and moodle. It affects 3 products.

Products include Fedoraproject Extra Packages for Enterprise Linux, Fedoraproject Fedora, Moodle Moodle.

How do I fix CVE-2023-5548?

Upgrade moodle/moodle to 4.3.0-rc2 or later.

Is CVE-2023-5548 being exploited?

There is no known exploitation of CVE-2023-5548 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Extra Packages for Enterprise Linux

• CVE-2023-34152 Command injection in ImageMagick Critical 9.8
• CVE-2022-4170 Code injection in rxvt-unicode Critical 9.8
• CVE-2022-40315 Moodle Minor SQL injection risk in admin user browsing Critical 9.8
• CVE-2022-45152 Moodle blind Server-Side Request Forgery (SSRF) vulnerability in LTI provider library Critical 9.1
• CVE-2022-24882 Server side NTLM does not properly check parameters in FreeRDP Critical 9.1

All Fedoraproject Extra Packages for Enterprise Linux vulnerabilities

Sources

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

Also known as BIT-moodle-2023-5548, GHSA-cwh2-q44x-5w3c, UBUNTU-CVE-2023-5548.