MPSB05-09 Security Patch for Insufficient Validation in Flash Communication Server
Originally posted: November 15, 2005
Summary
Flash Communication Server MX does not sufficiently validate some RTMP data. This can cause server instability or crashes.
Solution
Macromedia has released an update patch that can be downloaded and installed on the server.
Affected Software Versions
Flash Communication Server MX 1.0 (all editions)
Flash Communication
Server MX 1.5 (all editions)
Severity Rating
Macromedia categorizes this issue as a important issue and recommends users patch their installations.
Details
The vulnerability that causes server instability is known to be triggered by a single alpha release build of Flash Player 8.5 (build 133). The update patch fixes this issue by preventing the server from entering an unstable state.
Making the Changes
NOTE: Back up your existing files before making changes. As always, test the changes in a non-production environment before applying the changes to production servers.
- Download the Flash Communication Server Updater Release 3.
- Install Flash Communication Server Updater Release 3 following the installation procedures defined within the readme file included in the patch.
Revisions
November 15, 2005 — Bulletin first created.
Reporting Security Issues
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Receiving Security Bulletins
When Macromedia becomes aware of a security issue that we believe significantly affects our products or customers, we will notify customers when appropriate. Typically this notification will be in the form of a security bulletin explaining the issue and the response. Macromedia customers who would like to receive notification of new security bulletins when they are released can sign up for our security notification service.
For additional information on security issues at Macromedia, please visit: http://www.macromedia.com/resources/security.
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