Executive Summary

Informations
Name CVE-2011-4815 First vendor Publication 2011-12-29
Vendor Cve Last vendor Modification 2017-08-29

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4815

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:15163
 
Oval ID: oval:org.mitre.oval:def:15163
Title: USN-1377-1 -- Ruby vulnerabilities
Description: ruby1.8: Interpreter of object-oriented scripting language Ruby 1.8 Several security issues were fixed in ruby1.8.
Family: unix Class: patch
Reference(s): USN-1377-1
CVE-2010-0541
CVE-2011-0188
CVE-2011-1004
CVE-2011-1005
CVE-2011-2686
CVE-2011-2705
CVE-2011-4815
 Version: 5
Platform(s): Ubuntu 11.04
Ubuntu 11.10
Ubuntu 10.04
Ubuntu 10.10
 Product(s): Ruby
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:21207
 
Oval ID: oval:org.mitre.oval:def:21207
Title: RHSA-2012:0069: ruby security update (Moderate)
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.
Family: unix Class: patch
Reference(s): RHSA-2012:0069-01
CESA-2012:0069
CVE-2011-4815
 Version: 4
Platform(s): Red Hat Enterprise Linux 6
CentOS Linux 6
 Product(s): ruby
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:21332
 
Oval ID: oval:org.mitre.oval:def:21332
Title: RHSA-2012:0070: ruby security update (Moderate)
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.
Family: unix Class: patch
Reference(s): RHSA-2012:0070-01
CESA-2012:0070
CVE-2011-3009
CVE-2011-4815
 Version: 29
Platform(s): Red Hat Enterprise Linux 5
CentOS Linux 5
 Product(s): ruby
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23372
 
Oval ID: oval:org.mitre.oval:def:23372
Title: ELSA-2012:0069: ruby security update (Moderate)
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.
Family: unix Class: patch
Reference(s): ELSA-2012:0069-01
CVE-2011-4815
 Version: 6
Platform(s): Oracle Linux 6
 Product(s): ruby
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23425
 
Oval ID: oval:org.mitre.oval:def:23425
Title: ELSA-2012:0070: ruby security update (Moderate)
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.
Family: unix Class: patch
Reference(s): ELSA-2012:0070-01
CVE-2011-3009
CVE-2011-4815
 Version: 13
Platform(s): Oracle Linux 5
 Product(s): ruby
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:27769
 
Oval ID: oval:org.mitre.oval:def:27769
Title: DEPRECATED: ELSA-2012-0069 -- ruby security update (moderate)
Description: [1.8.7.352-4] - Address CVE-2011-4815 'DoS (excessive CPU use) via hash meet-in-the-middle attacks (oCERT-2011-003)' * ruby-1.8.7-p352-CVE-2011-4815.patch - Resolves: rhbz#768831
Family: unix Class: patch
Reference(s): ELSA-2012-0069
CVE-2011-4815
 Version: 4
Platform(s): Oracle Linux 6
 Product(s): ruby
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 864

OpenVAS Exploits

Date Description
2012-12-04 Name : Oracle Java SE Hash Collision DoS Vulnerability (Windows)
File : nvt/gb_oracle_java_se_hash_collision_dos_vuln_win.nasl
2012-10-16 Name : Fedora Update for ruby FEDORA-2012-15507
File : nvt/gb_fedora_2012_15507_ruby_fc16.nasl
2012-07-30 Name : CentOS Update for ruby CESA-2012:0069 centos6
File : nvt/gb_CESA-2012_0069_ruby_centos6.nasl
2012-07-30 Name : CentOS Update for irb CESA-2012:0070 centos4
File : nvt/gb_CESA-2012_0070_irb_centos4.nasl
2012-07-30 Name : CentOS Update for ruby CESA-2012:0070 centos5
File : nvt/gb_CESA-2012_0070_ruby_centos5.nasl
2012-07-09 Name : RedHat Update for ruby RHSA-2012:0069-01
File : nvt/gb_RHSA-2012_0069-01_ruby.nasl
2012-05-18 Name : Mac OS X Multiple Vulnerabilities (2012-002)
File : nvt/gb_macosx_su12-002.nasl
2012-04-02 Name : Fedora Update for ruby FEDORA-2011-17542
File : nvt/gb_fedora_2011_17542_ruby_fc16.nasl
2012-03-07 Name : Ubuntu Update for ruby1.8 USN-1377-1
File : nvt/gb_ubuntu_USN_1377_1.nasl
2012-03-07 Name : Mandriva Update for ruby MDVSA-2012:024 (ruby)
File : nvt/gb_mandriva_MDVSA_2012_024.nasl
2012-02-12 Name : FreeBSD Ports: jruby
File : nvt/freebsd_jruby.nasl
2012-02-01 Name : RedHat Update for ruby RHSA-2012:0070-01
File : nvt/gb_RHSA-2012_0070-01_ruby.nasl
2012-01-13 Name : Fedora Update for ruby FEDORA-2011-17551
File : nvt/gb_fedora_2011_17551_ruby_fc15.nasl
2012-01-12 Name : Apache Tomcat Hash Collision Denial Of Service Vulnerability
File : nvt/gb_apache_tomcat_hash_collision_dos_vuln_win.nasl
2012-01-05 Name : Oracle GlassFish Server Hash Collision Denial of Service Vulnerability
File : nvt/gb_glassfish_hash_collision_dos_vuln.nasl
2012-01-03 Name : PHP Web Form Hash Collision Denial of Service Vulnerability (Win)
File : nvt/gb_php_web_form_hash_collision_dos_vuln_win.nasl
2011-12-30 Name : Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (2638420)
File : nvt/secpod_ms11-100.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
78118 Ruby Hash Collission Form Parameter Parsing Remote DoS

Ruby contains a flaw that may allow a remote denial of service. The issue is triggered when an attacker sends multiple crafted parameters which trigger hash collisions, and will result in loss of availability for the program via CPU consumption.

Nessus® Vulnerability Scanner

Date Description
2015-07-02 Name : The remote Debian host is missing a security update.
File : debian_DLA-263.nasl - Type : ACT_GATHER_INFO
2015-03-26 Name : The remote Debian host is missing a security update.
File : debian_DLA-88.nasl - Type : ACT_GATHER_INFO
2015-01-19 Name : The remote Solaris system is missing a security patch for third-party software.
File : solaris11_ruby_20120417.nasl - Type : ACT_GATHER_INFO
2014-12-15 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201412-27.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_4_ruby-120117.nasl - Type : ACT_GATHER_INFO
2013-09-04 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2012-35.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2012-0070.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2012-0069.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20120130_ruby_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20120130_ruby_on_SL4_x.nasl - Type : ACT_GATHER_INFO
2012-07-17 Name : The remote device has a denial of service vulnerability.
File : juniper_psn-2012-07-650.nasl - Type : ACT_GATHER_INFO
2012-05-10 Name : The remote host is missing a Mac OS X update that fixes multiple security vul...
File : macosx_SecUpd2012-002.nasl - Type : ACT_GATHER_INFO
2012-05-10 Name : The remote host is missing a Mac OS X update that fixes several security issues.
File : macosx_10_7_4.nasl - Type : ACT_GATHER_INFO
2012-03-19 Name : A web-based application running on the remote Windows host is affected by a d...
File : coldfusion_win_apsb12-06.nasl - Type : ACT_GATHER_INFO
2012-02-29 Name : The remote Mandriva Linux host is missing one or more security updates.
File : mandriva_MDVSA-2012-024.nasl - Type : ACT_GATHER_INFO
2012-02-28 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1377-1.nasl - Type : ACT_GATHER_INFO
2012-02-06 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_ruby-187p357-120127.nasl - Type : ACT_GATHER_INFO
2012-02-06 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_ruby-187p357-120126.nasl - Type : ACT_GATHER_INFO
2012-01-31 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0070.nasl - Type : ACT_GATHER_INFO
2012-01-31 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0069.nasl - Type : ACT_GATHER_INFO
2012-01-31 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2012-0070.nasl - Type : ACT_GATHER_INFO
2012-01-31 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2012-0069.nasl - Type : ACT_GATHER_INFO
2012-01-16 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_91be81e73fea11e1afc72c4138874f7d.nasl - Type : ACT_GATHER_INFO
2012-01-13 Name : The remote web server is affected by a denial of service vulnerability
File : tomcat_5_5_35.nasl - Type : ACT_GATHER_INFO
2012-01-13 Name : The remote web server is affected by a denial of service vulnerability.
File : tomcat_7_0_23.nasl - Type : ACT_GATHER_INFO
2012-01-11 Name : The remote Fedora host is missing a security update.
File : fedora_2011-17551.nasl - Type : ACT_GATHER_INFO
2012-01-11 Name : The remote Fedora host is missing a security update.
File : fedora_2011-17542.nasl - Type : ACT_GATHER_INFO
2011-12-29 Name : The version of ASP.NET Framework installed on the remote host is affected by ...
File : smb_nt_ms11-100.nasl - Type : ACT_GATHER_INFO
2011-12-12 Name : The remote web server is affected by multiple vulnerabilities.
File : tomcat_6_0_35.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
APPLE http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
BUGTRAQ http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
CERT-VN http://www.kb.cert.org/vuls/id/903934
CONFIRM http://support.apple.com/kb/HT5281
http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-foun...
JVN http://jvn.jp/en/jp/JVN90615481/index.html
JVNDB http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html
MISC http://www.nruns.com/_downloads/advisory28122011.pdf
http://www.ocert.org/advisories/ocert-2011-003.html
MLIST http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606
REDHAT http://rhn.redhat.com/errata/RHSA-2012-0069.html
http://rhn.redhat.com/errata/RHSA-2012-0070.html
SECTRACK http://www.securitytracker.com/id?1026474
SECUNIA http://secunia.com/advisories/47405
http://secunia.com/advisories/47822
XF https://exchange.xforce.ibmcloud.com/vulnerabilities/72020

Alert History

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Date Informations
2021-05-04 12:17:59
  • Multiple Updates
2021-04-22 01:21:17
  • Multiple Updates
2020-05-23 01:47:40
  • Multiple Updates
2020-05-23 00:32:20
  • Multiple Updates
2018-11-01 12:04:02
  • Multiple Updates
2018-10-31 01:04:05
  • Multiple Updates
2018-05-18 12:02:37
  • Multiple Updates
2017-08-29 09:23:37
  • Multiple Updates
2016-06-29 00:24:34
  • Multiple Updates
2016-04-26 21:18:00
  • Multiple Updates
2015-07-03 13:28:39
  • Multiple Updates
2015-03-27 13:27:50
  • Multiple Updates
2015-01-21 13:25:04
  • Multiple Updates
2014-12-16 13:24:53
  • Multiple Updates
2014-06-14 13:32:02
  • Multiple Updates
2014-02-17 11:06:33
  • Multiple Updates
2013-05-10 23:11:52
  • Multiple Updates
2013-01-30 13:21:08
  • Multiple Updates