First published: Mon Jun 04 2007(Updated: )
Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Microsoft Windows Server 2003 | =sp1 | |
Microsoft Windows Server 2003 | =gold | |
Microsoft Windows Server 2003 | =sp2 |
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CVE-2007-2999 is considered a medium severity vulnerability due to its potential for user enumeration attacks.
CVE-2007-2999 allows attackers to determine valid Active Directory usernames by exploiting the different error messages during failed login attempts.
CVE-2007-2999 affects Microsoft Windows Server 2003 versions SP1, SP2, and the Gold edition.
Mitigating CVE-2007-2999 can be accomplished by implementing account lockout policies and configuring error messages to be generic.
There is no specific patch for CVE-2007-2999, but upgrading to a newer version of Windows Server can eliminate the risk.