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MAILsweeper for SMTP Attachment Blocking Bypass Vulnerability
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Secunia Advisory:
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SA12301
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Release Date:
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2004-08-16
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | CS MAILsweeper 4.x for SMTP
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| | CVE reference: | CVE-2003-0928 (Secunia mirror)
CVE-2003-0929 (Secunia mirror)
CVE-2003-0930 (Secunia mirror)
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Description:
Martin O'Neal of Corsaire has reported a vulnerability in MAILsweeper for SMTP, which can be exploited by malicious people to bypass the attachment blocking functionality.
The vulnerability is caused due to the application not being able to analyse various attachment types when encoded or compressed using various common compression formats. This may result in attachments not being blocked as specified in filters.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
Solution:
Apply hotfix 4.3.15.
Provided and/or discovered by:
Martin O'Neal, Corsaire.
Original Advisory:
http://www.corsaire.com/advisories/c030807-001.txt
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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8 Related Secunia Security Advisories
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1. MAILsweeper for SMTP/Exchange Multiple Vulnerabilities
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2. MAILsweeper MIME Decoding Vulnerabilities
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3. MAILsweeper for SMTP PowerPoint Document Processing Denial of Service
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4. MAILsweeper for SMTP RAR Attachment Denial of Service Vulnerability
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5. MAILsweeper Malformed Zip Archive Virus Detection Bypass
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6. MAILsweeper for SMTP RTF Attachment Denial of Service
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7. MAILsweeper for SMTP Filter Bypass and Denial of Service
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8. MIMEsweeper Filter Bypass
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