CVE-2012-2733
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…
Does this matter?
Lower severity and a low EPSS score (8.74%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 8.74% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apache/tomcat
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
- http://marc.info/?l=bugtraq&m=136612293908376&w=2
- http://marc.info/?l=bugtraq&m=139344343412337&w=2
- http://secunia.com/advisories/51371
- http://secunia.com/advisories/57126
- http://svn.apache.org/viewvc?view=revision&revision=1350301
- http://svn.apache.org/viewvc?view=revision&revision=1356208
- http://tomcat.apache.org/security-6.htmlVendor Advisory
- http://tomcat.apache.org/security-7.htmlVendor Advisory
- http://www.securityfocus.com/bid/56402
- http://www.securitytracker.com/id?1027729
- http://www.ubuntu.com/usn/USN-1637-1
- https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03748878
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19218
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
- http://marc.info/?l=bugtraq&m=136612293908376&w=2
- http://marc.info/?l=bugtraq&m=139344343412337&w=2
- http://secunia.com/advisories/51371
- http://secunia.com/advisories/57126
- http://svn.apache.org/viewvc?view=revision&revision=1350301
- http://svn.apache.org/viewvc?view=revision&revision=1356208
- http://tomcat.apache.org/security-6.htmlVendor Advisory
- http://tomcat.apache.org/security-7.htmlVendor Advisory
- http://www.securityfocus.com/bid/56402
- http://www.securitytracker.com/id?1027729
- http://www.ubuntu.com/usn/USN-1637-1
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.