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CVE-2011-4610

Status Candidate

Overview

JBoss Web, as used in Red Hat JBoss Communications Platform before 5.1.3, Enterprise Web Platform before 5.1.2, Enterprise Application Platform before 5.1.2, and other products, allows remote attackers to cause a denial of service (infinite loop) via vectors related to a crafted UTF-8 and a "surrogate pair character" that is "at the boundary of an internal buffer."

Related Files

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
SHA-256 | d22d787c4112a659c3c9e4f42170042f88ea6052206c4cfb93c8a3c97eae2892
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
SHA-256 | 1b76efafa7c43f4568ee8540f9a99ef162667ab5441d65314304195616d9d9b0
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
SHA-256 | 695e031cafab885e3b33ac9cfc4d29d7d6668de2559566e57b6c6021f0e19b4e
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
SHA-256 | 3967876ba80d348d6a7fa18fec993a5850529c859a7070df5abbd60a9a1cc5c2
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
SHA-256 | 62189c2efd836c99ad687dbdd17abd498e1f9ee30e32a8d54d4d85ae4f68bce5
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
SHA-256 | c37cdb370faed7aec780b9b7f3059e2ba1f342262670c61553cb34a4e6c9b355
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