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Sid 1-20613

DELETED

Message

DELETED SPECIFIC-THREATS Apache Tomcat Java AJP connector invalid header timeout denial of service attempt

Summary

Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when the Java AJP connector and mod_jk load balancing are used, allows remote attackers to cause a denial of service (application outage) via a crafted request with invalid headers, related to temporary blocking of connectors that have encountered errors, as demonstrated by an error involving a malformed HTTP Host header.

Impact

CVSS base score 5.0 CVSS impact score 2.9 CVSS exploitability score 10.0 confidentialityImpact NONE integrityImpact NONE availabilityImpact NONE

CVE-2009-0033:

CVSS base score 5.0

CVSS impact score 2.9

CVSS exploitability score 10.0

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Detailed information

CVE-2009-0033: Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when the Java AJP connector and mod_jk load balancing are used, allows remote attackers to cause a denial of service (application outage) via a crafted request with invalid headers, related to temporary blocking of connectors that have encountered errors, as demonstrated by an error involving a malformed HTTP Host header.

Affected systems

  • apache tomcat 4.1.0
  • apache tomcat 4.1.1
  • apache tomcat 4.1.2
  • apache tomcat 4.1.3
  • apache tomcat 4.1.4
  • apache tomcat 4.1.5
  • apache tomcat 4.1.6
  • apache tomcat 4.1.7
  • apache tomcat 4.1.8
  • apache tomcat 4.1.9
  • apache tomcat 4.1.10
  • apache tomcat 4.1.11
  • apache tomcat 4.1.12
  • apache tomcat 4.1.13
  • apache tomcat 4.1.14
  • apache tomcat 4.1.15
  • apache tomcat 4.1.16
  • apache tomcat 4.1.17
  • apache tomcat 4.1.18
  • apache tomcat 4.1.19
  • apache tomcat 4.1.20
  • apache tomcat 4.1.21
  • apache tomcat 4.1.22
  • apache tomcat 4.1.23
  • apache tomcat 4.1.24
  • apache tomcat 4.1.25
  • apache tomcat 4.1.26
  • apache tomcat 4.1.27
  • apache tomcat 4.1.28
  • apache tomcat 4.1.29
  • apache tomcat 4.1.30
  • apache tomcat 4.1.31
  • apache tomcat 4.1.32
  • apache tomcat 4.1.33
  • apache tomcat 4.1.34
  • apache tomcat 4.1.35
  • apache tomcat 4.1.36
  • apache tomcat 4.1.37
  • apache tomcat 4.1.38
  • apache tomcat 4.1.39
  • apache tomcat 5.5.0
  • apache tomcat 5.5.1
  • apache tomcat 5.5.2
  • apache tomcat 5.5.3
  • apache tomcat 5.5.4
  • apache tomcat 5.5.5
  • apache tomcat 5.5.6
  • apache tomcat 5.5.7
  • apache tomcat 5.5.8
  • apache tomcat 5.5.9
  • apache tomcat 5.5.10
  • apache tomcat 5.5.11
  • apache tomcat 5.5.12
  • apache tomcat 5.5.13
  • apache tomcat 5.5.14
  • apache tomcat 5.5.15
  • apache tomcat 5.5.16
  • apache tomcat 5.5.17
  • apache tomcat 5.5.18
  • apache tomcat 5.5.19
  • apache tomcat 5.5.20
  • apache tomcat 5.5.21
  • apache tomcat 5.5.22
  • apache tomcat 5.5.23
  • apache tomcat 5.5.24
  • apache tomcat 5.5.25
  • apache tomcat 5.5.26
  • apache tomcat 5.5.27
  • apache tomcat 6.0.0
  • apache tomcat 6.0.1
  • apache tomcat 6.0.2
  • apache tomcat 6.0.3
  • apache tomcat 6.0.4
  • apache tomcat 6.0.5
  • apache tomcat 6.0.6
  • apache tomcat 6.0.7
  • apache tomcat 6.0.8
  • apache tomcat 6.0.9
  • apache tomcat 6.0.10
  • apache tomcat 6.0.11
  • apache tomcat 6.0.12
  • apache tomcat 6.0.13
  • apache tomcat 6.0.14
  • apache tomcat 6.0.15
  • apache tomcat 6.0.16

Ease of attack

CVE-2009-0033:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References