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All Products
Red Hat Product Errata RHSA-2012:0074 - Security Advisory
Issued:
2012-01-31
Updated:
2012-01-31

RHSA-2012:0074 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: jbossweb security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated jbossweb packages that fix multiple security issues are now
available for JBoss Enterprise Application Platform 5.1.2 for Red Hat
Enterprise Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having
important security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.

Description

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 (JSP) 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 (infinite loop) on the JBoss Web server. (CVE-2011-4610)

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". (CVE-2011-4858)

It was found that JBoss Web did not handle large numbers of parameters and
large parameter values efficiently. A remote attacker could make a JBoss
Web server 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. Refer to the CVE-2011-4858 description
for information about the org.apache.tomcat.util.http.Parameters.MAX_COUNT
and org.apache.tomcat.util.http.MimeHeaders.MAX_COUNT system properties.
(CVE-2012-0022)

Multiple flaws were found in the way JBoss Web handled HTTP DIGEST
authentication. These flaws weakened the JBoss Web 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. (CVE-2011-1184, CVE-2011-5062,
CVE-2011-5063, CVE-2011-5064)

A flaw was found in the way JBoss Web handled sendfile request attributes
when using the HTTP APR (Apache Portable Runtime) or NIO (Non-Blocking I/O)
connector. A malicious web application running on a JBoss Web instance
could use this flaw to bypass security manager restrictions and gain access
to files it would otherwise be unable to access, or possibly terminate the
Java Virtual Machine (JVM). (CVE-2011-2526)

Red Hat would like to thank NTT OSSC for reporting CVE-2011-4610; oCERT for
reporting CVE-2011-4858; and the Apache Tomcat project for reporting
CVE-2011-2526. oCERT acknowledges Julian Wälde and Alexander Klink as the
original reporters of CVE-2011-4858.

Warning: Before applying this update, back up your JBoss Enterprise
Application Platform's "jboss-as/server/[PROFILE]/deploy/" directory, along
with all other customized configuration files.

Users of JBoss Enterprise Application Platform 5.1.2 on Red Hat Enterprise
Linux 4, 5, and 6 should upgrade to these updated packages, which correct
these issues. The JBoss server process must be restarted for this update to
take effect.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

Affected Products

  • JBoss Enterprise Application Platform from RHUI 5 x86_64
  • JBoss Enterprise Application Platform from RHUI 5 i386
  • JBoss Enterprise Application Platform 5 for RHEL 6 x86_64
  • JBoss Enterprise Application Platform 5 for RHEL 6 i386
  • JBoss Enterprise Application Platform 5 for RHEL 5 x86_64
  • JBoss Enterprise Application Platform 5 for RHEL 5 i386

Fixes

  • BZ - 720948 - CVE-2011-2526 tomcat: security manager restrictions bypass
  • BZ - 741401 - CVE-2011-1184 CVE-2011-5062 CVE-2011-5063 CVE-2011-5064 tomcat: Multiple weaknesses in HTTP DIGEST authentication
  • BZ - 750521 - CVE-2011-4858 tomcat: hash table collisions CPU usage DoS (oCERT-2011-003)
  • BZ - 767871 - CVE-2011-4610 JBoss Web remote denial of service when surrogate pair character is placed at buffer boundary
  • BZ - 783359 - CVE-2012-0022 tomcat: large number of parameters DoS

CVEs

  • CVE-2011-2526
  • CVE-2011-1184
  • CVE-2011-5062
  • CVE-2011-5063
  • CVE-2011-5064
  • CVE-2011-4858
  • CVE-2012-0022
  • CVE-2011-4610

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

JBoss Enterprise Application Platform from RHUI 5

SRPM
jbossweb-2.1.12-3_patch_03.2.ep5.el6.src.rpm SHA-256: 02837b3ef486c630e1723cc7e8aa48ffe4dfe094c57dec612ce2b72707470408
x86_64
jbossweb-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 7b497fcf857859cf3273b04629753c0b436eac12e2d69ae97368116472a70258
jbossweb-el-1.0-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: f69b9eaae904040a5e321a480c0a43b8f9acf830230deb1335eb3079c19e974c
jbossweb-jsp-2.1-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 45f383f8230b5c560414ddb30a72f364f47d29686a5de015316ca75c5e031a16
jbossweb-lib-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: fe8581b16d2957dfe8c0156ca73c09963c7740165be14fc85ed9b7b725180eb1
jbossweb-servlet-2.5-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 2a0a2c6b2b5fc3c28f6a09ea3d9bb3f70667214fc527e46d1e7518b1e61680d4
i386
jbossweb-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 7b497fcf857859cf3273b04629753c0b436eac12e2d69ae97368116472a70258
jbossweb-el-1.0-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: f69b9eaae904040a5e321a480c0a43b8f9acf830230deb1335eb3079c19e974c
jbossweb-jsp-2.1-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 45f383f8230b5c560414ddb30a72f364f47d29686a5de015316ca75c5e031a16
jbossweb-lib-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: fe8581b16d2957dfe8c0156ca73c09963c7740165be14fc85ed9b7b725180eb1
jbossweb-servlet-2.5-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 2a0a2c6b2b5fc3c28f6a09ea3d9bb3f70667214fc527e46d1e7518b1e61680d4

JBoss Enterprise Application Platform 5 for RHEL 6

SRPM
jbossweb-2.1.12-3_patch_03.2.ep5.el6.src.rpm SHA-256: 02837b3ef486c630e1723cc7e8aa48ffe4dfe094c57dec612ce2b72707470408
x86_64
jbossweb-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 7b497fcf857859cf3273b04629753c0b436eac12e2d69ae97368116472a70258
jbossweb-el-1.0-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: f69b9eaae904040a5e321a480c0a43b8f9acf830230deb1335eb3079c19e974c
jbossweb-jsp-2.1-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 45f383f8230b5c560414ddb30a72f364f47d29686a5de015316ca75c5e031a16
jbossweb-lib-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: fe8581b16d2957dfe8c0156ca73c09963c7740165be14fc85ed9b7b725180eb1
jbossweb-servlet-2.5-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 2a0a2c6b2b5fc3c28f6a09ea3d9bb3f70667214fc527e46d1e7518b1e61680d4
i386
jbossweb-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 7b497fcf857859cf3273b04629753c0b436eac12e2d69ae97368116472a70258
jbossweb-el-1.0-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: f69b9eaae904040a5e321a480c0a43b8f9acf830230deb1335eb3079c19e974c
jbossweb-jsp-2.1-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 45f383f8230b5c560414ddb30a72f364f47d29686a5de015316ca75c5e031a16
jbossweb-lib-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: fe8581b16d2957dfe8c0156ca73c09963c7740165be14fc85ed9b7b725180eb1
jbossweb-servlet-2.5-api-2.1.12-3_patch_03.2.ep5.el6.noarch.rpm SHA-256: 2a0a2c6b2b5fc3c28f6a09ea3d9bb3f70667214fc527e46d1e7518b1e61680d4

JBoss Enterprise Application Platform 5 for RHEL 5

SRPM
jbossweb-2.1.12-3_patch_03.2.ep5.el5.src.rpm SHA-256: df0e46a253dc62f1164db156421b5f02bc68efe670c51a2edb9a94afa9a1ec2e
x86_64
jbossweb-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 5b903505bbfe64819523a89dc9d3618965e2bfb52721eac4dc641cde7242e4f7
jbossweb-el-1.0-api-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: b8874354ee671cdb4eacb842e0a19bcdeb5e51b365fbde25a146fbe79d88593a
jbossweb-jsp-2.1-api-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 5d925158f601181f540dbbc8e1734318b7d52dfe12cb0fadafdfe44c354fc462
jbossweb-lib-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 07022a7c9aa808afc7e941df30b989bde0c31fd072b2b938b522d09d9836756c
jbossweb-servlet-2.5-api-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 3223f0c73940b79e4476ba2beb793ede223e82abea9779a75799f64611154b6e
i386
jbossweb-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 5b903505bbfe64819523a89dc9d3618965e2bfb52721eac4dc641cde7242e4f7
jbossweb-el-1.0-api-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: b8874354ee671cdb4eacb842e0a19bcdeb5e51b365fbde25a146fbe79d88593a
jbossweb-jsp-2.1-api-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 5d925158f601181f540dbbc8e1734318b7d52dfe12cb0fadafdfe44c354fc462
jbossweb-lib-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 07022a7c9aa808afc7e941df30b989bde0c31fd072b2b938b522d09d9836756c
jbossweb-servlet-2.5-api-2.1.12-3_patch_03.2.ep5.el5.noarch.rpm SHA-256: 3223f0c73940b79e4476ba2beb793ede223e82abea9779a75799f64611154b6e

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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