Vulnerability CVE-2011-0534
Published: 2011-02-10   Modified: 2012-02-13

Description:
Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests involving the NIO HTTP connector, which allows remote attackers to cause a denial of service (OutOfMemoryError) via a crafted request.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Apache Tomcat DoS Vulnerability
Tomcat security ...
14.02.2011

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Apache -> Tomcat 

 References:
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://marc.info/?l=bugtraq&m=139344343412337&w=2
http://securityreason.com/securityalert/8074
http://support.apple.com/kb/HT5002
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5098550.html
http://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.32
http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.8_(released_5_Feb_2011
)
http://www.debian.org/security/2011/dsa-2160
http://www.securityfocus.com/archive/1/516214/100/0/threaded
http://www.securityfocus.com/bid/46164
http://www.securitytracker.com/id?1025027
http://www.vupen.com/english/advisories/2011/0293
https://exchange.xforce.ibmcloud.com/vulnerabilities/65162
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