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CVE-2012-2733

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Date: November 16, 2012

java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attackers to cause a denial of service (memory consumption) via a large amount of header data.

Language: Java

Severity Score

Related Resources (19)

http://svn.apache.org/viewvc?view=revision&revision=1356208
http://secunia.com/advisories/57126
http://www.securitytracker.com/id?1027729
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19218
http://tomcat.apache.org/security-7.html
http://svn.apache.org/viewvc?view=revision&revision=1350301
http://marc.info/?l=bugtraq&m=136612293908376&w=2
http://secunia.com/advisories/51371
http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2012-2733
http://www.ubuntu.com/usn/USN-1637-1
http://marc.info/?l=bugtraq&m=139344343412337&w=2
https://nvd.nist.gov/vuln/detail/CVE-2012-2733
http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
http://www.securityfocus.com/bid/56402
http://tomcat.apache.org/security-6.html
https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03748878
http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
https://www.mend.io/vulnerability-database/CVE-2012-2733

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version org.apache.tomcat:catalina:6.0.36,org.apache.tomcat:tomcat-catalina:7.0.28,org.apache.tomcat:tomcat-coyote:7.0.28

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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