low
2.6
CWE
399
Advisory Published
Updated

CVE-2012-4534

First published: Wed Dec 19 2012(Updated: )

org/apache/tomcat/util/net/NioEndpoint.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28, when the NIO connector is used in conjunction with sendfile and HTTPS, allows remote attackers to cause a denial of service (infinite loop) by terminating the connection during the reading of a response.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Tomcat=6.0
Tomcat=6.0.0
Tomcat=6.0.0-alpha
Tomcat=6.0.1
Tomcat=6.0.1-alpha
Tomcat=6.0.2
Tomcat=6.0.2-alpha
Tomcat=6.0.2-beta
Tomcat=6.0.3
Tomcat=6.0.4
Tomcat=6.0.4-alpha
Tomcat=6.0.5
Tomcat=6.0.6
Tomcat=6.0.6-alpha
Tomcat=6.0.7
Tomcat=6.0.7-alpha
Tomcat=6.0.7-beta
Tomcat=6.0.8
Tomcat=6.0.8-alpha
Tomcat=6.0.9
Tomcat=6.0.9-beta
Tomcat=6.0.10
Tomcat=6.0.11
Tomcat=6.0.12
Tomcat=6.0.13
Tomcat=6.0.14
Tomcat=6.0.15
Tomcat=6.0.16
Tomcat=6.0.17
Tomcat=6.0.18
Tomcat=6.0.19
Tomcat=6.0.20
Tomcat=6.0.24
Tomcat=6.0.26
Tomcat=6.0.27
Tomcat=6.0.28
Tomcat=6.0.29
Tomcat=6.0.30
Tomcat=6.0.31
Tomcat=6.0.32
Tomcat=6.0.33
Tomcat=6.0.35
Tomcat=7.0.0
Tomcat=7.0.0-beta
Tomcat=7.0.1
Tomcat=7.0.2
Tomcat=7.0.2-beta
Tomcat=7.0.3
Tomcat=7.0.4
Tomcat=7.0.4-beta
Tomcat=7.0.5
Tomcat=7.0.6
Tomcat=7.0.7
Tomcat=7.0.8
Tomcat=7.0.9
Tomcat=7.0.10
Tomcat=7.0.11
Tomcat=7.0.12
Tomcat=7.0.13
Tomcat=7.0.14
Tomcat=7.0.15
Tomcat=7.0.16
Tomcat=7.0.17
Tomcat=7.0.18
Tomcat=7.0.19
Tomcat=7.0.20
Tomcat=7.0.21
Tomcat=7.0.22
Tomcat=7.0.23
Tomcat=7.0.25

Remedy

http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/net/NioEndpoint.java?r1=1340218&r2=1340217&pathrev=1340218

Remedy

http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?r1=1340218&r2=1340217&pathrev=1340218

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-4534?

    CVE-2012-4534 has been classified as a medium severity vulnerability due to the potential for denial of service.

  • How do I fix CVE-2012-4534?

    To fix CVE-2012-4534, upgrade Apache Tomcat to version 6.0.36 or later for 6.x, and version 7.0.28 or later for 7.x.

  • What software is affected by CVE-2012-4534?

    CVE-2012-4534 affects Apache Tomcat versions 6.0 to 6.0.35 and 7.0 to 7.0.27.

  • What attack vector is associated with CVE-2012-4534?

    CVE-2012-4534 allows remote attackers to cause a denial of service by terminating the connection during the reading of a response.

  • Can CVE-2012-4534 be exploited remotely?

    Yes, CVE-2012-4534 can be exploited remotely, allowing attackers to affect the service availability.

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