CVE-2011-5036
medium
CVSS v3
—
CVSS v2
5.0
VIR risk
5.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2011-5036
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.4.0-1 |
| debian | bullseye | fixed | 1.4.0-1 |
| debian | forky | fixed | 1.4.0-1 |
| debian | sid | fixed | 1.4.0-1 |
| debian | trixie | fixed | 1.4.0-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | rack | <~> 1.1.3 | ~> 1.1.3 |
| RubyGems | rack | <1.1.3 | 1.1.3 |
| RubyGems | rack | >=1.2.0,<1.2.5 | 1.2.5 |
| RubyGems | rack | >=1.3.0,<1.3.6 | 1.3.6 |
| Maven | org.jruby:jruby-parent | <1.6.5.1 | 1.6.5.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| rack_project | rack | {"endIncluding":"1.1.0"} | |
| rack_project | rack | 1.2.0 | |
| rack_project | rack | 1.2.1 | |
| rack_project | rack | 1.2.2 | |
| rack_project | rack | 1.2.3 | |
| rack_project | rack | 1.2.4 | |
| rack_project | rack | 1.3.0 | |
| rack_project | rack | 1.3.1 | |
| rack_project | rack | 1.3.2 | |
| rack_project | rack | 1.3.3 | |
| rack_project | rack | 1.3.4 | |
| rack_project | rack | 1.3.5 | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2011-5036
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- http://www.debian.org/security/2013/dsa-2783
- http://www.kb.cert.org/vuls/id/903934
- http://www.nruns.com/_downloads/advisory28122011.pdf
- http://www.ocert.org/advisories/ocert-2011-003.html
- https://gist.github.com/52bbc6b9cc19ce330829
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2011-5036.yml
- https://web.archive.org/web/20120201040317/http://jruby.org/2011/12/27/jruby-1-6-5-1
- https://web.archive.org/web/20130213132312/http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- https://security-tracker.debian.org/tracker/CVE-2011-5036
CWEs
CWE-310
Verify integrity in audit chain (admin only). AS-IS.