1650 : Microsoft Exchange Server EUSR_EXSTOREEVENT Default Account
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Info

Last Modified

8 months ago

Percent Complete

90%

Disclosure

Nov 16, 2000

Discovery

Unknown

Dates

Exploit

Jan 23, 2001

Solution

Unknown

Description

By default, Exchange creates a user account with a default password. The EUSR_EXSTOREEVENT account has a password of xyxx1x#y which is publicly known and documented. This allows attackers to trivially access the program or system.

Classification

Location: Remote/Network Access Required, Local / Remote
Attack Type: Authentication Management
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround(s): Delete the EUSR_EXSTOREEVENT user account.

Products

Microsoft Corporation

Exchange Server

2000

References

Bugtraq ID: 1958
CVE ID: 2000-1139 (see also: NVD)
ISS X-Force ID: 5537
Mail List Post: http://seclists.org/lists/pen-test/2001/Jan/0117.html
Microsoft Security Bulletin: MS00-088

Credit

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