CVE-2011-5036
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:NAuthenticationNone
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:PAvailabilityPartial
Weaknesses
Affected Products
rack project
oss-projectaka rack
rackLibrary
OSS Libraries / rubygemsRubyGems
package-ecosystem
Maven
package-ecosystem
and 1 more affected products View all →
Exploitability
2 exploit sources identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
References
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
archives.neohapsis.com
http://www.debian.org/security/2013/dsa-2783
debian.org
http://www.kb.cert.org/vuls/id/903934
kb.cert.org
and 7 more references View all →
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2011-5036 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows