Realm CMS login.asp authentication bypass

realm-login-authentication-bypass (42960)

Medium Risk

Description:

Realm CMS could allow a remote attacker to bypass authentication restrictions, caused by improper session handling by the login.asp script. An attacker could exploit this vulnerability using a specially-crafted cookie to bypass authentication restrictions.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	4.5
Exploitability:	High
Remediation Level:	Temporary-Fix
Report Confidence:	Confirmed

Consequences:

Bypass Security

Remedy:

Apply the patch for this vulnerability (_RealmAdmin_V.2.5.zip), available from the Realm CMS Web site. See References.

References:

• Realm CMS Web site: Realm CMS : Home.
• BID-29616: Realm CMS Multiple Input Validation Vulnerabilities
• CVE-2008-2682: _RealmAdmin/login.asp in Realm CMS 2.3 and earlier allows remote attackers to bypass authentication and access admin pages via certain modified cookies, probably including (1) cUserRole, (2) cUserName, and (3) cUserID.
• SA30583: Realm CMS Multiple Vulnerabilities

Platforms Affected:

• Realm CMS Realm CMS 2.3

Reported:

Jun 09, 2008

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For corrections or additions please email xforce@iss.net

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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