Exploitation Summary
EIP tracks 1 public exploit for CVE-2014-0075. PoCs published by LiviuPtr.
AI-analyzed exploit summary This PoC demonstrates a DoS attack via integer overflow in chunked transfer encoding, targeting a vulnerability in HTTP request handling. It sends malformed chunk sizes to trigger an overflow, causing resource exhaustion.
Description
Integer overflow in the parseChunkHeader function in java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat before 6.0.40, 7.x before 7.0.53, and 8.x before 8.0.4 allows remote attackers to cause a denial of service (resource consumption) via a malformed chunk size in chunked transfer coding of a request during the streaming of data.
Exploits (1)
nomisec
WORKING POC
by LiviuPtr · poc
https://github.com/LiviuPtr/CVE-2014-0075_PoC
This PoC demonstrates a DoS attack via integer overflow in chunked transfer encoding, targeting a vulnerability in HTTP request handling. It sends malformed chunk sizes to trigger an overflow, causing resource exhaustion.
Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target:
HTTP servers vulnerable to chunked encoding integer overflow (CVE-2014-0075)
No auth needed
Prerequisites:
Network access to the target server · HTTP/HTTPS service exposed
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026
Full analysis →
References (48)
Core 48
Core References
Patch x_refsource_confirm
http://svn.apache.org/viewvc?view=revision&revision=1578337
Patch x_refsource_confirm
http://svn.apache.org/viewvc?view=revision&revision=1578341
Patch x_refsource_confirm
http://svn.apache.org/viewvc?view=revision&revision=1579262
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-0765.html
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-0675.html
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-0720.html
Various Sources x_refsource_confirm
http://www-01.ibm.com/support/docview.wss?uid=swg21680603
Third Party Advisory x_refsource_confirm
http://advisories.mageia.org/MGASA-2014-0268.html
Vendor Advisory x_refsource_confirm
http://www.novell.com/support/kb/doc.php?id=7010166
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/59121
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/59732
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/59835
Vendor Advisory x_refsource_confirm
http://www.vmware.com/security/advisories/VMSA-2014-0012.html
Various Sources x_refsource_confirm
http://www-01.ibm.com/support/docview.wss?uid=swg21681528
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2015:052
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/59849
Various Sources x_refsource_confirm
http://linux.oracle.com/errata/ELSA-2014-0865.html
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2015:084
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2016/dsa-3530
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/59678
Mailing List vendor-advisory
x_refsource_hp
http://marc.info/?l=bugtraq&m=141017844705317&w=2
Vendor Advisory x_refsource_confirm
http://tomcat.apache.org/security-7.html
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/534161/100/0/threaded
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2015:053
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Mailing List vendor-advisory
x_refsource_hp
http://marc.info/?l=bugtraq&m=141390017113542&w=2
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/67671
Vendor Advisory x_refsource_confirm
http://tomcat.apache.org/security-8.html
Various Sources x_refsource_confirm
http://www-01.ibm.com/support/docview.wss?uid=swg21678231
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/59616
Vendor Advisory x_refsource_confirm
http://tomcat.apache.org/security-6.html
Various Sources x_refsource_confirm
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04851013
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/59873
Mailing List mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2014/Dec/23
Mailing List vendor-advisory
x_refsource_hp
http://marc.info/?l=bugtraq&m=144498216801440&w=2
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2016/dsa-3447
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/60729
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/60793
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E
Scores
EPSS
0.4675
EPSS Percentile
97.7%
Details
CWE
CWE-189
Status
published
Products (47)
apache/tomcat
7.0.0 (2 CPE variants)
apache/tomcat
7.0.1
apache/tomcat
7.0.2 (2 CPE variants)
apache/tomcat
7.0.3
apache/tomcat
7.0.4 (2 CPE variants)
apache/tomcat
7.0.5
apache/tomcat
7.0.6
apache/tomcat
7.0.7
apache/tomcat
7.0.8
apache/tomcat
7.0.9
... and 37 more
Published
May 31, 2014
Tracked Since
Feb 18, 2026