mod_auth_shadow contains a flaw that may allow a malicious user to log in with an expired account. The issue is triggered because mod_auth_shadow doesn't check for account expiration. It is possible that the flaw may allow an attacker to log in with an expired account resulting in a loss of confidentiality, integrity, and/or availability.
Classification
Unknown or Incomplete
Solution
Upgrade to version 1.4 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
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This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.