aspWebCalendar calendar_admin.asp file upload

aspwebcalendar-calendaradmin-file-upload (43201)

Medium Risk

Description:

aspWebCalendar could allow a remote attacker to upload arbitrary files, caused by the improper validation of file extensions by the calendar_admin.asp script. By sending a specially-crafted HTTP POST request, a remote attacker could exploit this vulnerability to upload malicious ASP files, which could allow the attacker to execute arbitrary ASP code on the vulnerable system.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	4.8
Exploitability:	High
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of November 8, 2008.

References:

• Full Revolution Web site: aspWebCalendar Product Overview, web based calendar.
• BID-29795: aspWebCalendar 'calendar_admin.asp' Arbitrary File Upload Vulnerability
• CVE-2008-2832: Unrestricted file upload vulnerability in calendar_admin.asp in Full Revolution aspWebCalendar 2008 allows remote attackers to upload and execute arbitrary code via the FILE1 parameter in an uploadfileprocess action, probably followed by a direct request to the file in calendar/eventimages/.
• OSVDB ID: 46642: aspWebCalendar calendar_admin.asp Unrestricted File Upload Arbitrary Code Execution

Platforms Affected:

• Full Revolution aspWebCalendar 2008

Reported:

Jun 18, 2008

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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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IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.