Description
Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the global address list (GAL).
References
- MS01-047 vendor-advisory
- 3301 vdb-entry
- Q307195 vendor-advisory
- exchange-owa-obtain-addresses(7089) vdb-entry