Security
Headlines
HeadlinesLatestCVEs

Headline

GHSA-54rr-7fvw-6x8f: Rack Header Parsing leads to Possible Denial of Service Vulnerability

Possible Denial of Service Vulnerability in Rack Header Parsing

There is a possible denial of service vulnerability in the header parsing routines in Rack. This vulnerability has been assigned the CVE identifier CVE-2024-26146.

Versions Affected: All. Not affected: None Fixed Versions: 2.0.9.4, 2.1.4.4, 2.2.8.1, 3.0.9.1

Impact

Carefully crafted headers can cause header parsing in Rack to take longer than expected resulting in a possible denial of service issue. Accept and Forwarded headers are impacted.

Ruby 3.2 has mitigations for this problem, so Rack applications using Ruby 3.2 or newer are unaffected.

Releases

The fixed releases are available at the normal locations.

Workarounds

There are no feasible workarounds for this issue.

Patches

To aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset.

  • 2-0-header-redos.patch - Patch for 2.0 series
  • 2-1-header-redos.patch - Patch for 2.1 series
  • 2-2-header-redos.patch - Patch for 2.2 series
  • 3-0-header-redos.patch - Patch for 3.0 series

Credits

Thanks to svalkanov for reporting this and providing patches!

ghsa
#vulnerability#dos#git#ruby

Skip to content

    • Actions

      Automate any workflow

    • Packages

      Host and manage packages

    • Security

      Find and fix vulnerabilities

    • Codespaces

      Instant dev environments

    • Copilot

      Write better code with AI

    • Code review

      Manage code changes

    • Issues

      Plan and track work

    • Discussions

      Collaborate outside of code

    • GitHub Sponsors

      Fund open source developers

*   The ReadME Project
    
    GitHub community articles
  • Pricing

Provide feedback

Saved searches****Use saved searches to filter your results more quickly

Sign up

  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2024-26146

Rack Header Parsing leads to Possible Denial of Service Vulnerability

Low severity GitHub Reviewed Published Feb 28, 2024 in rack/rack • Updated Feb 28, 2024

Package

Affected versions

>= 3.0.0, < 3.0.9.1

>= 2.2.0, < 2.2.8.1

>= 2.1.0, < 2.1.4.4

< 2.0.9.4

Patched versions

3.0.9.1

2.2.8.1

2.1.4.4

2.0.9.4

Description

Published to the GitHub Advisory Database

Feb 28, 2024

Last updated

Feb 28, 2024

Related news

Ubuntu Security Notice USN-7036-1

Ubuntu Security Notice 7036-1 - It was discovered that Rack was not properly parsing data when processing multipart POST requests. If a user or automated system were tricked into sending a specially crafted multipart POST request to an application using Rack, a remote attacker could possibly use this issue to cause a denial of service. It was discovered that Rack was not properly escaping untrusted data when performing logging operations, which could cause shell escaped sequences to be written to a terminal. If a user or automated system were tricked into sending a specially crafted request to an application using Rack, a remote attacker could possibly use this issue to execute arbitrary code in the machine running the application.

Ubuntu Security Notice USN-6837-2

Ubuntu Security Notice 6837-2 - 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. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. 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.

Ubuntu Security Notice USN-6837-1

Ubuntu Security Notice 6837-1 - 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. 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.

Red Hat Security Advisory 2024-3431-03

Red Hat Security Advisory 2024-3431-03 - An update for pcs is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a denial of service vulnerability.

Debian Security Advisory 5698-1

Debian Linux Security Advisory 5698-1 - Multiple security issues were found in Rack, an interface for developing web applications in Ruby, which could result in denial of service.

Red Hat Security Advisory 2024-2584-03

Red Hat Security Advisory 2024-2584-03 - An update for pcs is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-2581-03

Red Hat Security Advisory 2024-2581-03 - An update for pcs is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-2007-03

Red Hat Security Advisory 2024-2007-03 - An update for pcs is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-1846-03

Red Hat Security Advisory 2024-1846-03 - An update for pcs is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-1841-03

Red Hat Security Advisory 2024-1841-03 - An update for pcs is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Issues addressed include a denial of service vulnerability.

Ubuntu Security Notice USN-6689-1

Ubuntu Security Notice 6689-1 - It was discovered that Rack incorrectly parse some headers. An attacker could possibly use this issue to cause a denial of service.