Title: Web-cyradm Remote Denial of Service Vulnerability
Severity: MODERATE
Description:
Web-cryadm is a management tool written in PHP. It is used with a Mailsystem built on Cyrus IMAP and Postfix. It is available for the Unix and Linux operating systems.
A vulnerability has been discovered in Web-cyradm. A denial of service may be triggered when attempting to administrate a domain when the necessary IMAP daemon is not running. If this situation occurs the Web-cyradm process will enter an infinite loop, generating errors. This issue occurs due to invalid checks for a running IMAP daemon by the browseaccounts.php, deleteaccount.php, and newaccount.php PHP scripts.
By exploiting this vulnerability it may be possible to consume network resources causing legitimate requests to be denied. Under some circumstances it may also cause the system to crash due to excessive CPU utilization.
References:
- Web-cyradm: Web-cyradm Product Page
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