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CVE-2021-22116

Publication date 8 June 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

RabbitMQ all versions prior to 3.8.16 are prone to a denial of service vulnerability due to improper input validation in AMQP 1.0 client connection endpoint. A malicious user can exploit the vulnerability by sending malicious AMQP messages to the target RabbitMQ instance having the AMQP 1.0 plugin enabled.

Read the notes from the security team

Status

Package Ubuntu Release Status
rabbitmq-server 22.04 LTS jammy
Fixed 3.8.9-3ubuntu1
21.10 impish
Fixed 3.8.9-3ubuntu1
21.04 hirsute
Fixed 3.8.9-2ubuntu0.1
20.10 groovy
Fixed 3.8.5-1ubuntu0.2
20.04 LTS focal
Fixed 3.8.2-0ubuntu1.3
18.04 LTS bionic
Fixed 3.6.10-1ubuntu0.5
16.04 LTS xenial
14.04 LTS trusty Not in release

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Notes

leosilva

code affected in bionic is in deps/rabbitmq_amqp1_0/src/rabbit_amqp1_0_binary_parser.erl in xenial in plugins-src/rabbitmq-amqp1.0/src/rabbit_amqp1_0_binary_parser.erl.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
rabbitmq-server

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H