Rack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2783-1 librack-ruby security update
Debian DSA Debian DSA DSA-2783-2 librack-ruby regression update
EUVD EUVD EUVD-2022-5298 Rack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
Github GHSA Github GHSA GHSA-v6j3-7jrw-hq2p Rack Gem Subject to Denial of Service via Hash Collisions
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T00:23:39.882Z

Reserved: 2011-12-29T00:00:00

Link: CVE-2011-5036

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2011-12-30T01:55:01.687

Modified: 2025-04-11T00:51:21.963

Link: CVE-2011-5036

cve-icon Redhat

Severity : Moderate

Publid Date: 2011-12-28T00:00:00Z

Links: CVE-2011-5036 - Bugzilla

cve-icon OpenCVE Enrichment

No data.