Neon WebMail for Java updatemail insecure data

neonwebmail-updatemail-insecure-data (29087)

Medium Risk

Description:

Neon WebMail for Java assigns user Mail IDs and user Folder IDs in a predictible numbering pattern. An authenticated, remote attacker could exploit this vulnerability, using the updatemail servlet to guess valid Mail ID and Folder ID parameters in a specially-crafted URL, to hide a user's email messages in a file folder that is unknown to the victim.

*CVSS:

Base Score:	4.2
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	3.7
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Neon WebMail (version 5.08 or later), available from the Neon WebMail Web site. See References.

References:

• NeoSys Ltd. Web site: Neon WebMail for Java. (This site is in a foreign language.)
• vuln.sg Vulnerability Research Advisory 2006-09-20 : Neon WebMail for Java Multiple Vulnerabilities.
• BID-20109: Neon WebMail For Java Multiple Input Validation Vulnerabilities
• CVE-2006-4952: The updatemail servlet in Neon WebMail for Java before 5.08 allows remote attackers to move e-mail messages of arbitrary users between different mail folders, specified by the folderid and tofolderid parameters, via the ID parameter.
• SA22029: Neon WebMail for Java Multiple Vulnerabilities

Platforms Affected:

• NeoSys Neon WebMail for Java 5.06
• NeoSys Neon WebMail for Java 5.07

Reported:

Sep 20, 2006

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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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