CVE-2009-0433: Low severity IBM WebSphere Application Server Feature Pack for Web Services vulnerability

Published Feb 10, 2009
·
Updated

Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19, when Web Server plug-in content buffering is enabled, allows attackers to cause a denial of service (daemon crash) via unknown vectors, related to a mishandling of client read failures in which clients receive many 500 HTTP error responses and backend servers are incorrectly labeled as down.

Affected Software

73 affected components
IBM WebSphere Application Server Feature Pack for Web Services=5.1.0
IBM WebSphere Application Server Feature Pack for Web Services=5.1.0.2
IBM WebSphere Application Server Feature Pack for Web Services=5.1.0.3
IBM WebSphere Application Server Feature Pack for Web Services=5.1.0.4
IBM WebSphere Application Server Feature Pack for Web Services=5.1.0.5
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.1
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.10
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.11
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.12
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.13
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.14
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.15
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.16
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.17
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.18
IBM WebSphere Application Server Feature Pack for Web Services=5.1.1.19
IBM WebSphere Application Server Feature Pack for Web Services=6.0
IBM WebSphere Application Server Feature Pack for Web Services=6.0.0.1
IBM WebSphere Application Server Feature Pack for Web Services=6.0.0.2
IBM WebSphere Application Server Feature Pack for Web Services=6.0.0.3
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.1
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.2
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.3
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.5
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.7
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.9
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.11
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.13
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.15
IBM WebSphere Application Server Feature Pack for Web Services=6.0.1.17
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.1
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.2
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.3
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.4
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.5
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.6
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.7
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.9
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.11
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.13
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.15
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.17
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.19
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.22
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.23
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.24
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.25
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.27
IBM WebSphere Application Server Feature Pack for Web Services=6.0.2.28
IBM WebSphere Application Server Feature Pack for Web Services=6.1
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.0
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.1
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.2
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.3
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.4
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.5
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.6
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.7
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.8
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.9
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.10
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.11
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.12
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.13
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.14
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.15
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.16
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.17
IBM WebSphere Application Server Feature Pack for Web Services=6.1.0.18

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM WebSphere Application Server to a version that resolves this vulnerability.

    Fixed in 5.1.1.19
  2. Upgrade

    Upgrade IBM WebSphere Application Server to a version that resolves this vulnerability.

    Fixed in 6.0.2.29
  3. Upgrade

    Upgrade IBM WebSphere Application Server to a version that resolves this vulnerability.

    Fixed in 6.1.0.19
  4. Configuration

    Disable Web Server plug-in content buffering to prevent mishandling of client read failures that can cause daemon crashes and incorrect backend server down labeling.

    Web Server plug-in (IBM WebSphere Application Server) content buffering = disabled

Event History

Feb 10, 2009
CVE Published
via MITRE·10:13 PM
Data Sourced
via MITRE·10:13 PM
Description
Data Sourced
via NVD·10:30 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2009-0433?

CVE-2009-0433 has been classified as a denial of service vulnerability, affecting several versions of IBM WebSphere Application Server.

2

How do I fix CVE-2009-0433?

To mitigate CVE-2009-0433, upgrade to the latest version of IBM WebSphere Application Server that addresses this vulnerability.

3

What versions are affected by CVE-2009-0433?

CVE-2009-0433 affects IBM WebSphere Application Server versions 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19.

4

What type of attack does CVE-2009-0433 enable?

CVE-2009-0433 can enable attackers to cause a denial of service through a crash of the application server daemon.

5

Is there a workaround for CVE-2009-0433 while waiting for a patch?

Currently, using an alternate configuration that disables content buffering in the Web Server plug-in may help mitigate the risk until a patch is applied.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203