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CVE-2012-0022

Status Candidate

Overview

Apache Tomcat 5.5.x before 5.5.35, 6.x before 6.0.34, and 7.x before 7.0.23 uses an inefficient approach for handling parameters, which allows remote attackers to cause a denial of service (CPU consumption) via a request that contains many parameters and parameter values, a different vulnerability than CVE-2011-4858.

Related Files

HP Security Bulletin HPSBUX02860 SSRT101146
Posted Apr 1, 2013
Authored by HP | Site hp.com

HP Security Bulletin HPSBUX02860 SSRT101146 - Potential security vulnerabilities have been identified with HP-UX Apache running Tomcat Servlet Engine. These vulnerabilities could be exploited remotely to create a Denial of Service (DoS) or to perform an access restriction bypass, unauthorized modification, and other vulnerabilities. Revision 1 of this advisory.

tags | advisory, denial of service, vulnerability
systems | hpux
advisories | CVE-2008-5515, CVE-2009-0033, CVE-2009-0580, CVE-2009-0781, CVE-2009-0783, CVE-2009-2693, CVE-2009-2902, CVE-2009-3548, CVE-2010-1157, CVE-2010-2227, CVE-2010-3718, CVE-2010-4476, CVE-2011-0013, CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-2729, CVE-2011-3190, CVE-2011-4858, CVE-2012-0022, CVE-2012-5885
MD5 | de5adbf8e77d688a211ab5701c07611d
Red Hat Security Advisory 2012-1331-01
Posted Oct 4, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1331-01 - JBoss Operations Network is a middleware management solution that provides a single point of control to deploy, manage, and monitor JBoss Enterprise Middleware, applications, and services. This JBoss ON 3.1.1 release serves as a replacement for JBoss ON 3.1.0, and includes several bug fixes and enhancements.

tags | advisory
systems | linux, redhat
advisories | CVE-2012-0022
MD5 | d08745f5e9dac7ada3f1f8459638175b
Mandriva Linux Security Advisory 2012-085
Posted May 30, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-085 - Apache Tomcat 5.5.x before 5.5.35, 6.x before 6.0.34, and 7.x before 7.0.23 uses an inefficient approach for handling parameters, which allows remote attackers to cause a denial of service via a request that contains many parameters and parameter values, a different vulnerability than CVE-2011-4858. The updated packages have been patched to correct this issue.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2012-0022
MD5 | 98864e82504c2072e99d71a60a50b166
Red Hat Security Advisory 2012-0681-01
Posted May 22, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0681-01 - Apache Tomcat is a servlet container. JBoss Enterprise Web Server includes the Tomcat Native library, providing Apache Portable Runtime support for Tomcat. This update fixes the JBPAPP-4873, JBPAPP-6133, and JBPAPP-6852 bugs. It also resolves multiple flaws that weakened the Tomcat HTTP DIGEST authentication implementation, subjecting it to some of the weaknesses of HTTP BASIC authentication, for example, allowing remote attackers to perform session replay attacks.

tags | advisory, remote, web
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-3190, CVE-2011-3375, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | 29b2cdf894331bd174765b26881055a4
Red Hat Security Advisory 2012-0679-01
Posted May 22, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0679-01 - Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. JBoss Enterprise Web Server includes the Tomcat Native library, providing Apache Portable Runtime support for Tomcat. This update includes bug fixes as documented in JBPAPP-4873 and JBPAPP-6133.

tags | advisory, java, web
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-3190, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | c22e91cd15dc6f6704f39bd8a7b86707
Red Hat Security Advisory 2012-0682-01
Posted May 22, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0682-01 - Apache Tomcat is a servlet container. JBoss Enterprise Web Server includes the Tomcat Native library, providing Apache Portable Runtime support for Tomcat. This update fixes the JBPAPP-4873, JBPAPP-6133, and JBPAPP-6852 bugs. It also addresses multiple flaws that weakened the Tomcat HTTP DIGEST authentication implementation, subjecting it to some of the weaknesses of HTTP BASIC authentication, for example, allowing remote attackers to perform session replay attacks.

tags | advisory, remote, web
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-3190, CVE-2011-3375, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | c92823d601c7394a37351bbc1fdf71a9
Red Hat Security Advisory 2012-0680-01
Posted May 22, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0680-01 - Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. JBoss Enterprise Web Server includes the Tomcat Native library, providing Apache Portable Runtime support for Tomcat. This update includes bug fixes as documented in JBPAPP-4873 and JBPAPP-6133.

tags | advisory, java, web
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-3190, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | d18a2fa772b5bfebd2156c7deeff6f9f
Red Hat Security Advisory 2012-0475-01
Posted Apr 12, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0475-01 - Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. It was found that the Java hashCode() method implementation was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause Tomcat to use an excessive amount of CPU time by sending an HTTP request with a large number of parameters whose names map to the same hash value. This update introduces a limit on the number of parameters processed per request to mitigate this issue. The default limit is 512 for parameters and 128 for headers. These defaults can be changed by setting the org.apache.tomcat.util.http.Parameters.MAX_COUNT and org.apache.tomcat.util.http.MimeHeaders.MAX_COUNT system properties.

tags | advisory, java, remote, web
systems | linux, redhat
advisories | CVE-2011-4858, CVE-2012-0022
MD5 | fcf121c17be50729e55738cd4bbed4db
Red Hat Security Advisory 2012-0474-01
Posted Apr 12, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0474-01 - Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. It was found that the Java hashCode() method implementation was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause Tomcat to use an excessive amount of CPU time by sending an HTTP request with a large number of parameters whose names map to the same hash value. This update introduces a limit on the number of parameters processed per request to mitigate this issue. The default limit is 512 for parameters and 128 for headers. These defaults can be changed by setting the org.apache.tomcat.util.http.Parameters.MAX_COUNT and org.apache.tomcat.util.http.MimeHeaders.MAX_COUNT system properties.

tags | advisory, java, remote, web
systems | linux, redhat
advisories | CVE-2011-4858, CVE-2012-0022
MD5 | 48e9e692c6b6e106f2b2b06b7cf75437
HP Security Bulletin HPSBMU02747 SSRT100771
Posted Mar 29, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02747 SSRT100771 - Potential security vulnerabilities have been identified with HP OpenView Network Node Manager (OV NNM) running Apache Tomcat. The vulnerabilities could be exploited remotely to create a Denial of Service (DoS). Revision 1 of this advisory.

tags | advisory, denial of service, vulnerability
advisories | CVE-2011-4858, CVE-2012-0022
MD5 | 07bd940cca33be67bf4b1dabe7efacee
VMware Security Advisory 2012-0005
Posted Mar 17, 2012
Authored by VMware | Site vmware.com

VMware Security Advisory 2012-0005 - VMware vCenter Server, Orchestrator, Update Manager, vShield, vSphere Client, ESXi and ESX address several security issues

tags | advisory
advisories | CVE-2010-0405, CVE-2011-3190, CVE-2011-3375, CVE-2012-0022, CVE-2012-1508, CVE-2012-1509, CVE-2012-1510, CVE-2012-1512, CVE-2012-1513, CVE-2012-1514
MD5 | 8520effb92daff0d0fa4de9825912532
HP Security Bulletin HPSBUX02741 SSRT100728 2
Posted Mar 7, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBUX02741 SSRT100728 2 - Potential security vulnerabilities have been identified with HP-UX Apache Running Tomcat Servlet Engine. These vulnerabilities could be exploited remotely to create a Denial of Service (DoS) or to perform an access restriction bypass. The Tomcat-based Servlet Engine is contained in the HP-UX Apache Web Server Suite. Revision 2 of this advisory.

tags | advisory, web, denial of service, vulnerability
systems | hpux
advisories | CVE-2006-7243, CVE-2011-4858, CVE-2011-4885, CVE-2012-0022
MD5 | 9b5a2a8b52f327e43c06f530ea0037af
Red Hat Security Advisory 2012-0345-02
Posted Mar 2, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0345-02 - JBoss Enterprise Portal Platform is the open source implementation of the Java EE suite of services and Portal services running atop JBoss Enterprise Application Platform. It comprises a set of offerings for enterprise customers who are looking for pre-configured profiles of JBoss Enterprise Middleware components that have been tested and certified together to provide an integrated experience. It was found that JBoss Web did not handle large numbers of parameters and large parameter values efficiently. A remote attacker could make JBoss Web use an excessive amount of CPU time by sending an HTTP request containing a large number of parameters or large parameter values. This update introduces limits on the number of parameters and headers processed per request to address this issue. The default limit is 512 for parameters and 128 for headers. These defaults can be changed by setting the org.apache.tomcat.util.http.Parameters.MAX_COUNT and org.apache.tomcat.util.http.MimeHeaders.MAX_COUNT system properties in "jboss-as/server/[PROFILE]/deploy/properties-service.xml".

tags | advisory, java, remote, web
systems | linux, redhat
advisories | CVE-2012-0022
MD5 | 12c0d0eedbc5e7f69fb65870542445dd
Red Hat Security Advisory 2012-0325-01
Posted Feb 23, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0325-01 - JBoss Web is a web container based on Apache Tomcat. A flaw was found in the way JBoss Web handled UTF-8 surrogate pair characters. If JBoss Web was hosting an application with UTF-8 character encoding enabled, or that included user-supplied UTF-8 strings in a response, a remote attacker could use this flaw to cause a denial of service on the JBoss Web server. It was found that the Java hashCode() method implementation was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause JBoss Web to use an excessive amount of CPU time by sending an HTTP request with a large number of parameters whose names map to the same hash value. Various other issues were addressed.

tags | advisory, java, remote, web, denial of service
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2526, CVE-2011-4610, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | 6eb28d7f9a95de3a481504d3d5b98050
Ubuntu Security Notice USN-1359-1
Posted Feb 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1359-1 - It was discovered that Tomcat incorrectly performed certain caching and recycling operations. A remote attacker could use this flaw to obtain read access to IP address and HTTP header information in certain cases. This issue only applied to Ubuntu 11.10. It was discovered that Tomcat computed hash values for form parameters without restricting the ability to trigger hash collisions predictably. A remote attacker could cause a denial of service by sending many crafted parameters. Various other issues were also addressed.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2011-3375, CVE-2011-4858, CVE-2012-0022, CVE-2011-3375, CVE-2011-4858, CVE-2012-0022
MD5 | 3ea378aa2d14bd07f4ba62946f58cce1
HP Security Bulletin HPSBUX02741 SSRT100728
Posted Feb 8, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBUX02741 SSRT100728 - Potential security vulnerabilities have been identified with HP-UX Apache Running Tomcat Servlet Engine. These vulnerabilities could be exploited remotely to create a Denial of Service (DoS) or to perform an access restriction bypass. The Tomcat-based Servlet Engine is contained in the HP-UX Apache Web Server Suite. Revision 1 of this advisory.

tags | advisory, web, denial of service, vulnerability
systems | hpux
advisories | CVE-2006-7243, CVE-2011-4858, CVE-2011-4885, CVE-2012-0022
MD5 | a803a50080344a5c6ffabbd12414c139
Debian Security Advisory 2401-1
Posted Feb 2, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2401-1 - Several vulnerabilities have been found in Tomcat, a servlet and JSP engine.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2011-1184, CVE-2011-2204, CVE-2011-2526, CVE-2011-3190, CVE-2011-3375, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | 548b00ffd85a415d5bd9c9a2e3958d7e
Red Hat Security Advisory 2012-0078-01
Posted Feb 1, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0078-01 - The JBoss Communications Platform is an open source VoIP platform certified for JAIN SLEE 1.1 and SIP Servlets 1.1 compliance. JBCP serves as a high performance core for Service Delivery Platforms and IP Multimedia Subsystems by leveraging J2EE to enable the convergence of data and video in Next-Generation Intelligent Network applications. This JBoss Communications Platform 5.1.3 release serves as a replacement for JBoss Communications Platform 5.1.2, and includes various bug fixes.

tags | advisory
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2526, CVE-2011-4610, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | ef7d5e2c3cb2641937247601ae694d1f
Red Hat Security Advisory 2012-0074-01
Posted Feb 1, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0074-01 - JBoss Web is the web container, based on Apache Tomcat, in JBoss Enterprise Application Platform. It provides a single deployment platform for the JavaServer Pages and Java Servlet technologies. A flaw was found in the way JBoss Web handled UTF-8 surrogate pair characters. If JBoss Web was hosting an application with UTF-8 character encoding enabled, or that included user-supplied UTF-8 strings in a response, a remote attacker could use this flaw to cause a denial of service on the JBoss Web server. It was found that the Java hashCode() method implementation was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause JBoss Web to use an excessive amount of CPU time by sending an HTTP request with a large number of parameters whose names map to the same hash value. This update introduces a limit on the number of parameters and headers processed per request to mitigate this issue. The default limit is 512 for parameters and 128 for headers. These defaults can be changed by setting the org.apache.tomcat.util.http.Parameters.MAX_COUNT and org.apache.tomcat.util.http.MimeHeaders.MAX_COUNT system properties in "jboss-as/server/[PROFILE]/deploy/properties-service.xml".

tags | advisory, java, remote, web, denial of service
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2526, CVE-2011-4610, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | a32d0a98ec00b3243dce03e946cd20c3
Red Hat Security Advisory 2012-0075-01
Posted Feb 1, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0075-01 - JBoss Web is the web container, based on Apache Tomcat, in JBoss Enterprise Application Platform. It provides a single deployment platform for the JavaServer Pages and Java Servlet technologies. A flaw was found in the way JBoss Web handled UTF-8 surrogate pair characters. If JBoss Web was hosting an application with UTF-8 character encoding enabled, or that included user-supplied UTF-8 strings in a response, a remote attacker could use this flaw to cause a denial of service on the JBoss Web server. It was found that the Java hashCode() method implementation was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause JBoss Web to use an excessive amount of CPU time by sending an HTTP request with a large number of parameters whose names map to the same hash value. This update introduces a limit on the number of parameters and headers processed per request to mitigate this issue. The default limit is 512 for parameters and 128 for headers. These defaults can be changed by setting the org.apache.tomcat.util.http.Parameters.MAX_COUNT and org.apache.tomcat.util.http.MimeHeaders.MAX_COUNT system properties in "jboss-as/server/[PROFILE]/deploy/properties-service.xml".

tags | advisory, java, remote, web, denial of service
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2526, CVE-2011-4610, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | 622ac27ad0a10f72ff47c4f3e0174087
Red Hat Security Advisory 2012-0077-01
Posted Feb 1, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0077-01 - JBoss Web is a web container based on Apache Tomcat. It provides a single deployment platform for the JavaServer Pages and Java Servlet technologies. A flaw was found in the way JBoss Web handled UTF-8 surrogate pair characters. If JBoss Web was hosting an application with UTF-8 character encoding enabled, or that included user-supplied UTF-8 strings in a response, a remote attacker could use this flaw to cause a denial of service on the JBoss Web server. It was found that the Java hashCode() method implementation was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause JBoss Web to use an excessive amount of CPU time by sending an HTTP request with a large number of parameters whose names map to the same hash value. This update introduces a limit on the number of parameters and headers processed per request to mitigate this issue. The default limit is 512 for parameters and 128 for headers. These defaults can be changed by setting the "-Dorg.apache.tomcat.util.http.Parameters.MAX_COUNT=x" and "-Dorg.apache.tomcat.util.http.MimeHeaders.MAX_COUNT=x" system properties as JAVA_OPTS entries in "jboss-as-web/bin/run.conf".

tags | advisory, java, remote, web, denial of service
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2526, CVE-2011-4610, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | 32744a026858c745879d420e133174aa
Red Hat Security Advisory 2012-0076-01
Posted Feb 1, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0076-01 - JBoss Web is a web container based on Apache Tomcat. It provides a single deployment platform for the JavaServer Pages and Java Servlet technologies. A flaw was found in the way JBoss Web handled UTF-8 surrogate pair characters. If JBoss Web was hosting an application with UTF-8 character encoding enabled, or that included user-supplied UTF-8 strings in a response, a remote attacker could use this flaw to cause a denial of service on the JBoss Web server. It was found that the Java hashCode() method implementation was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause JBoss Web to use an excessive amount of CPU time by sending an HTTP request with a large number of parameters whose names map to the same hash value. This update introduces a limit on the number of parameters and headers processed per request to mitigate this issue. The default limit is 512 for parameters and 128 for headers. These defaults can be changed by setting the "-Dorg.apache.tomcat.util.http.Parameters.MAX_COUNT=x" and "-Dorg.apache.tomcat.util.http.MimeHeaders.MAX_COUNT=x" system properties as JAVA_OPTS entries in "jboss-as-web/bin/run.conf".

tags | advisory, java, remote, web, denial of service
systems | linux, redhat
advisories | CVE-2011-1184, CVE-2011-2526, CVE-2011-4610, CVE-2011-4858, CVE-2011-5062, CVE-2011-5063, CVE-2011-5064, CVE-2012-0022
MD5 | 4bd0dd249264811761ce1a53ce39a8d8
Apache Tomcat Large Number Denial Of Service
Posted Jan 18, 2012
Authored by Mark Thomas | Site tomcat.apache.org

Apache Tomcat versions 7.0.0 through 7.0.22, 6.0.0 through 6.0.33 and 5.5.0 through 5.5.34 suffer from a denial of service vulnerability. Analysis of the recent hash collision vulnerability identified unrelated inefficiencies with Apache Tomcat's handling of large numbers of parameters and parameter values. These inefficiencies could allow an attacker, via a specially crafted request, to cause large amounts of CPU to be used which in turn could create a denial of service. The issue was addressed by modifying the Tomcat parameter handling code to efficiently process large numbers of parameters and parameter values.

tags | advisory, denial of service
advisories | CVE-2011-0022
MD5 | 635aabd964f582ab281e7886df97838e
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