SB2021062428 - Ubuntu update for rabbitmq-server

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Main Vulnerability Database SB2021062428

SB2021062428 - Ubuntu update for rabbitmq-server

Published: June 24, 2021

Security Bulletin ID SB2021062428
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2019-11287)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input passed via the "X-Reason" HTTP Header. A remote attacker can inject a malicious Erlang format string into the "X-Reason" HTTP Header that once expanded will consume the heap, resulting in the server crashing.


2) Input validation error (CVE-ID: CVE-2021-22116)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing AMPQ messages in AMQP 1.0 client connection endpoint.. A remote attacker can send specially crafted input to the application and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that AMQP 1.0 plugin is enabled.


Remediation

Install update from vendor's website.

References