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2.2 KiB
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61 lines
No EOL
2.2 KiB
Text
Elcom CMS - Community Manager Insecure File Upload Vulnerability - Security
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Advisory - SOS-12-008
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Release Date. 24-Aug-2012
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Last Update. -
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Vendor Notification Date. 28-Oct-2011
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Product. Elcom CMS - Community Manager
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Platform. ASP.NET
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Affected versions. Elcom Community Manager version 7.4.10 and
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possibly others
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Severity Rating. High
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Impact. Exposure of system information
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Exposure of sensitive information
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System Access
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Attack Vector. Remote with authentication
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Solution Status. Fixed in version 7.5 and later (not verified by
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SOS)
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CVE reference. CVE - not yet assigned
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Details.
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The https://[server]/UploadStyleSheet.aspx script does not validate the file
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type passed in the parameter "myfile0" on the server side allowing the
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uploading and execution of ASPX files. An attacker can upload an ASPX web
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shell and execute commands with web server user privileges.
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Proof of Concept (port scanning).
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A shell uploaded using the vulnerable
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(https://[server]/UploadStyleSheet.aspx) script can be accessed at the
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following location: https://[server]/UserUploadedStyles/shell.aspx
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Solution.
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Upgrade to version 7.5 or later.
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Discovered by.
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Phil Taylor and Nadeem Salim from Sense of Security Labs.
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About us.
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Sense of Security is a leading provider of information security and
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risk management solutions. Our team has expert skills in assessment
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and assurance, strategy and architecture, and deployment through to
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ongoing management. We are Australia's premier application penetration
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testing firm and trusted IT security advisor to many of the country's
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largest organisations.
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Sense of Security Pty Ltd
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Level 8, 66 King St
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Sydney NSW 2000
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AUSTRALIA
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T: +61 (0)2 9290 4444
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F: +61 (0)2 9290 4455
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W: http://www.senseofsecurity.com.au/consulting/penetration-testing
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E: info@senseofsecurity.com.au
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Twitter: @ITsecurityAU
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The latest version of this advisory can be found at:
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http://www.senseofsecurity.com.au/advisories/SOS-12-008.pdf
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Other Sense of Security advisories can be found at:
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http://www.senseofsecurity.com.au/research/it-security-advisories.php |