Microsoft Exchange Server - Wikipedia
Looking for:
Office E3 | Microsoft.Exchange Server editions and versions | Microsoft Docs |
Windows Server Essentials vs Standard: Comprehensive Overview.Microsoft Exchange Server licensing and FAQ– email for business
The default validation key used is therefore public knowledge, and so when this is used the validation key can be used to decrypt and falsely verify a modified View State containing commands added by an attacker. When logged in as any user, any.
ASPX page is then loaded, and by requesting both the session ID of the user login and the correct View State directly from the server, this correct View State can be deserialised and then modified to also include arbitrary code and then be falsely verified by the attacker. This modified View State is then serialised and passed back to the server in a GET request along with the session ID to show it is from a logged-in user; in legitimate use, the view state should always be returned in a POST request , and never a GET request.
This combination causes the server to decrypt and run this added code with its own privileges, allowing the server to be fully compromised as any command can therefore be run.
In July , Positive Technologies published a research explaining how hackers can attack Microsoft Exchange Server without exploiting any vulnerabilities. In , critical zero-day exploits were discovered in Microsoft Exchange Server. The attack affected the email systems of an estimated , global customers, including state and local governments, policy think tanks, academic institutions, infectious disease researchers and businesses such as law firms and defense contractors. From Wikipedia, the free encyclopedia.
Calendaring and mail server. Main article: History of Microsoft Exchange Server. Main article: Hosted Exchange. Main article: Microsoft Exchange Server data breach.
Retrieved February 19, September 26, April 20, Retrieved April 21, Retrieved October 28, The Exchange Team Blog. June 9, February 9, March 8, Archived from the original on July 15, Retrieved July 2, Retrieved April 24, November 7, Owl for Exchange. Retrieved February 21, Microsoft Office Administration Inside Out. Microsoft Press. ISBN CNET News. Retrieved March 20, Retrieved June 18, PortSwigger Research.
February 24, Microsoft Security. March 2, Retrieved March 14, BBC News. March 11, Retrieved March 12, National Security Agency. Retrieved July 3, Email servers. Email Unicode and email. Category Comparison List. Hidden categories: Articles with short description Short description is different from Wikidata Use American English from January All Wikipedia articles written in American English Use mdy dates from October All articles with unsourced statements Articles with unsourced statements from January Official website different in Wikidata and Wikipedia.
Namespaces Article Talk. Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file. Download as PDF Printable version. Wikimedia Commons. For a list of Exchange Server versions and how to download and upgrade to the latest version of Exchange, see the following topics:. Exchange Server build numbers and release dates. Install Exchange Mailbox servers using the Setup wizard. Upgrade Exchange to the latest Cumulative Update.
To view the Exchange version and edition information for all Exchange servers in your organization, run the following command in the Exchange Management Shell:. Exchange and all later versions use a licensing model that's similar to how Exchange was licensed:. Server licenses : A license must be assigned for each Exchange server.
You can mix and match the Exchange server editions with the CAL types. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Table of contents Exit focus mode.
Comments
Post a Comment