USN-6837-1: Rack vulnerabilities

Publication date

17 June 2024

Overview

Several security issues were fixed in Rack.


Packages

  • ruby-rack - modular Ruby webserver interface

Details

It was discovered that Rack incorrectly handled Multipart MIME parsing. A
remote attacker could possibly use this issue to cause Rack to consume
resources, leading to a denial of service. This issue only affected Ubuntu
23.10. (CVE-2023-27530)

It was discovered that Rack incorrectly parsed certain media types. A
remote attacker could possibly use this issue to cause Rack to consume
resources, leading to a denial of service. (CVE-2024-25126)

It was discovered that Rack incorrectly handled certain Range headers. A
remote attacker could possibly use this issue to cause Rack to create large
responses, leading to a denial of service. This issue only affected Ubuntu
24.04 LTS. (CVE-2024-26141)

It was discovered that Rack incorrectly handled certain crafted headers. A
remote attacker could possibly use this issue...

It was discovered that Rack incorrectly handled Multipart MIME parsing. A
remote attacker could possibly use this issue to cause Rack to consume
resources, leading to a denial of service. This issue only affected Ubuntu
23.10. (CVE-2023-27530)

It was discovered that Rack incorrectly parsed certain media types. A
remote attacker could possibly use this issue to cause Rack to consume
resources, leading to a denial of service. (CVE-2024-25126)

It was discovered that Rack incorrectly handled certain Range headers. A
remote attacker could possibly use this issue to cause Rack to create large
responses, leading to a denial of service. This issue only affected Ubuntu
24.04 LTS. (CVE-2024-26141)

It was discovered that Rack incorrectly handled certain crafted headers. A
remote attacker could possibly use this issue to cause Rack to consume
resources, leading to a denial of service. This issue only affected Ubuntu
24.04 LTS. (CVE-2024-26146)


Update instructions

After a standard system update you need to restart any applications using Rack to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.04 noble ruby-rack –  2.2.7-1ubuntu0.1
23.10 mantic ruby-rack –  2.2.4-3ubuntu0.2

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