Microsoft BackOffice Server allows attacker to bypass authentication for Web administration pages
| backoffice-bypass-authentication (8862) |  High Risk |
Description:
Microsoft BackOffice Server does not properly check for credentials when accessing the Web administration pages. An attacker can exploit this vulnerability by using a specially-crafted GET request to bypass authentication and gain access to the administration pages.
Consequences:
Bypass Security
Remedy:
Apply the patch for this vulnerability, as listed in Microsoft Technical Article Q316838. See References.
References:
- Microsoft Technical Article Q316838: An Update Is Available for BackOffice Server 4.0 and 4.5 for Logging On.
- NGSSoftware Insight Security Research Advisory #NISR17042002A: Back Office Web Administrator Authentication Bypass.
- BID-4528: Microsoft BackOffice Server Web Administration Authentication Bypass Vulnerability
- CVE-2002-0736: Microsoft BackOffice 4.0 and 4.5, when configured to be accessible by other systems, allows remote attackers to bypass authentication and access the administrative ASP pages via an HTTP request with an authorization type (auth_type) that is not blank.
- OSVDB ID: 5126: Microsoft BackOffice Authentication Bypass
Platforms Affected:
- Microsoft BackOffice 4.0
- Microsoft BackOffice 5.0
Reported:
Apr 17, 2002
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