GoogleOSV:GHSA-V6J3-7JRW-HQ2PRack Gem Subject to Denial of Service via Hash Collisions
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.008 Low
EPSS
Percentile
81.5%
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.
References
www.debian.org/security/2013/dsa-2783
www.kb.cert.org/vuls/id/903934
www.nruns.com/_downloads/advisory28122011.pdf
www.ocert.org/advisories/ocert-2011-003.html
gist.github.com/52bbc6b9cc19ce330829
github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2011-5036.yml
nvd.nist.gov/vuln/detail/CVE-2011-5036
web.archive.org/web/20120201040317/jruby.org/2011/12/27/jruby-1-6-5-1
web.archive.org/web/20130213132312/archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
Related
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.008 Low
EPSS
Percentile
81.5%