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CVE-2011-5036 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html	CVE
https://gist.github.com/52bbc6b9cc19ce330829	CVE	Exploit
http://www.debian.org/security/2013/dsa-2783	CVE
http://www.kb.cert.org/vuls/id/903934	CVE	US Government Resource
http://www.nruns.com/_downloads/advisory28122011.pdf	CVE
http://www.ocert.org/advisories/ocert-2011-003.html	CVE
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html	[email protected]
https://gist.github.com/52bbc6b9cc19ce330829	[email protected]	Exploit
http://www.debian.org/security/2013/dsa-2783	[email protected]
http://www.kb.cert.org/vuls/id/903934	[email protected]	US Government Resource
http://www.nruns.com/_downloads/advisory28122011.pdf	[email protected]
http://www.ocert.org/advisories/ocert-2011-003.html	[email protected]

see all 12 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-310	Cryptographic Issues	[email protected]

Affected Products

Product	Versions
rack project rack	<= 1.1.0 1.2.0 1.2.1 1.2.2 1.2.3
CPE cpe:2.3:a:rack_project:rack:::::::: cpe:2.3:a:rack_project:rack:1.2.0:::::::* cpe:2.3:a:rack_project:rack:1.2.1:::::::* cpe:2.3:a:rack_project:rack:1.2.2:::::::* cpe:2.3:a:rack_project:rack:1.2.3:::::::* cpe:2.3:a:rack_project:rack:1.2.4:::::::* cpe:2.3:a:rack_project:rack:1.3.0:::::::* cpe:2.3:a:rack_project:rack:1.3.1:::::::* cpe:2.3:a:rack_project:rack:1.3.2:::::::* cpe:2.3:a:rack_project:rack:1.3.3:::::::* cpe:2.3:a:rack_project:rack:1.3.4:::::::* cpe:2.3:a:rack_project:rack:1.3.5:::::::* Remediation No remediation found in references.

Product

Versions

rack project rack

<= 1.1.0

1.2.0

1.2.1

1.2.2

1.2.3

CPE

cpe:2.3:a:rack_project:rack:*:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.5:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 30, 2011	Initial Analysis	[email protected]