Headline
GHSA-xj5v-6v4g-jfw6: Rack has possible DoS Vulnerability with Range Header
Possible DoS Vulnerability with Range Header in Rack
There is a possible DoS vulnerability relating to the Range request header in Rack. This vulnerability has been assigned the CVE identifier CVE-2024-26141.
Versions Affected: >= 1.3.0. Not affected: < 1.3.0 Fixed Versions: 3.0.9.1, 2.2.8.1
Impact
Carefully crafted Range headers can cause a server to respond with an unexpectedly large response. Responding with such large responses could lead to a denial of service issue.
Vulnerable applications will use the Rack::File middleware or the
Rack::Utils.byte_ranges methods (this includes Rails applications).
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.
- 3-0-range.patch - Patch for 3.0 series
- 2-2-range.patch - Patch for 2.2 series
Credits
Thank you ooooooo_q for the report and patch
Possible DoS Vulnerability with Range Header in Rack
There is a possible DoS vulnerability relating to the Range request header in
Rack. This vulnerability has been assigned the CVE identifier CVE-2024-26141.
Versions Affected: >= 1.3.0.
Not affected: < 1.3.0
Fixed Versions: 3.0.9.1, 2.2.8.1
Impact
Carefully crafted Range headers can cause a server to respond with an
unexpectedly large response. Responding with such large responses could lead
to a denial of service issue.
Vulnerable applications will use the Rack::File middleware or the
Rack::Utils.byte_ranges methods (this includes Rails applications).
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.
- 3-0-range.patch - Patch for 3.0 series
- 2-2-range.patch - Patch for 2.2 series
Credits
Thank you ooooooo_q for the report and
patch
References
- GHSA-xj5v-6v4g-jfw6
- rack/rack@4849132
- rack/rack@6245768
- https://discuss.rubyonrails.org/t/possible-dos-vulnerability-with-range-header-in-rack/84944
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-26141.yml
Related news
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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.
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