CVE-2012-3544

Description

Apache Tomcat 6.x before 6.0.37 and 7.x before 7.0.30 does not properly handle chunk extensions in chunked transfer coding, which allows remote attackers to cause a denial of service by streaming data.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 44.48% Top 5%
Vendor Advisory ubuntu.com Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://svn.apache.org/viewvc?view=revision&revision=1378702 patch
http://www.securityfocus.com/bid/59797 vdb entry
http://svn.apache.org/viewvc?view=revision&revision=1378921 patch
http://www.vmware.com/security/advisories/VMSA-2014-0012.html
http://tomcat.apache.org/security-7.html vendor advisory
http://www.securityfocus.com/archive/1/534161/100/0/threaded mailing list
http://svn.apache.org/viewvc?view=revision&revision=1476592 patch
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/coyote/http11/filters/ChunkedInputFilter.java?r1=1476592&r2=1476591&pathrev=1476592 patch
http://tomcat.apache.org/security-6.html vendor advisory
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
http://seclists.org/fulldisclosure/2014/Dec/23 mailing list
http://archives.neohapsis.com/archives/bugtraq/2013-05/0042.html mailing list
http://www.ubuntu.com/usn/USN-1841-1 vendor advisory
http://www.securityfocus.com/bid/64758 vdb entry
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2012-3544?
CVE-2012-3544 has been scored as a medium severity vulnerability.
How to fix CVE-2012-3544?
To fix CVE-2012-3544, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3544 being actively exploited in the wild?
It is possible that CVE-2012-3544 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~44% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.