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Tumbleweed Email Firewall LHA File Parsing Vulnerabilities
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Secunia Advisory:
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SA21194
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Release Date:
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2006-07-25
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Last Update:
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2006-07-28
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | MailGate Email Firewall 6.x
Tumbleweed Messaging Management System (MMS) 5.x
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| | CVE reference: | CVE-2006-3901 (Secunia mirror)
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Description:
Ryan Smith has reported three vulnerabilities in Tumbleweed Email Firewall, which can be exploited by malicious people to compromise a vulnerable system.
1) A boundary error within the processing of LHA extended-header filenames can be exploited to cause a stack-based buffer overflow.
2) A boundary error within the processing of LHA extended-header directory names can be exploited to cause a stack-based buffer overflow.
3) A boundary error within the processing of files in LHA archives can be exploited to cause a stack-based buffer overflow via a specially crafted LHA archive containing files with overly long filenames.
Successful exploitation of the vulnerabilities allows execution of arbitrary code when an e-mail with a specially crafted attachment is processed.
Solution:
According to the researcher, the vendor will not be releasing a patch. Instead, the vendor has reportedly suggested a workaround (contact the vendor for more information).
Provided and/or discovered by:
Ryan Smith
Changelog:
2006-07-28: Added CVE reference.
Original Advisory:
http://www.hustlelabs.com/advisories/04072006_tweed.pdf
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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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1 Related Secunia Security Advisories
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1. Tumbleweed EMF ZOO Archive Processing Buffer Overflow
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