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[Full-disclosure] CVE-2012-4534 Apache Tomcat denial of service
- To: Tomcat Users List <users@xxxxxxxxxxxxxxxxx>
- Subject: [Full-disclosure] CVE-2012-4534 Apache Tomcat denial of service
- From: Mark Thomas <markt@xxxxxxxxxx>
- Date: Tue, 04 Dec 2012 19:47:38 +0000
CVE-2012-4534 Apache Tomcat denial of service
Severity: Important
Vendor: The Apache Software Foundation
Versions Affected:
- Tomcat 7.0.0 to 7.0.27
- Tomcat 6.0.0 to 6.0.35
Description:
When using the NIO connector with sendfile and HTTPS enabled, if a
client breaks the connection while reading the response an infinite loop
is entered leading to a denial of service. This was originally reported
as https://issues.apache.org/bugzilla/show_bug.cgi?id=52858.
Mitigation:
Users of affected versions should apply one of the following mitigations:
- Tomcat 7.0.x users should upgrade to 7.0.28 or later
- Tomcat 6.0.x users should upgrade to 6.0.36 or later
Credit:
The security implications of this bug were identified by Arun Neelicattu
of the Red Hat Security Response Team.
References:
http://tomcat.apache.org/security.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-6.html
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