Unscored severity · published Dec 30, 2011
CVE-2011-4815
Ruby (aka CRuby) before 1.8.7-p357 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a…
–
CVSS
4.1%
EPSS
No
On KEV
Description
Ruby (aka CRuby) before 1.8.7-p357 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Ruby · Ruby-lang
through 1.8.7-p352; 1.8.7-p299; 1.8.7-p302; 1.8.7-p330; 1.8.7-p334 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4815
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-4815
archives.neohapsis.com
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
blade.nagaokaut.ac.jp
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606
jvn.jp
http://jvn.jp/en/jp/JVN90615481/index.html
jvndb.jvn.jp
http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html
lists.apple.com
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2012-0069.html
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