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BigAnt Messenger AntServer Module Directory Traversal and Buffer Overflow
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Secunia Advisory:
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SA29831
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Release Date:
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2008-04-16
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Last Update:
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2008-07-31
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Popularity:
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2,547 views
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Critical:
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Highly critical
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Impact:
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Exposure of system information
Exposure of sensitive information
System access
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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: | BigAnt Messenger 2.x
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| CVE reference: | CVE-2008-1914
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Description:
Two vulnerabilities have been discovered in BigAnt Messenger, which can be exploited by malicious people to disclose certain information or compromise a vulnerable system.
1) A boundary error in the AntServer Module (AntServer.exe) can be exploited to cause a stack-based buffer overflow e.g. by sending a specially crafted, overly long HTTP GET request to default port 6080/TCP.
Successful exploitation allows execution of arbitrary code.
2) An input validation error in the AntServer Module can be exploited to e.g. download arbitrary files via directory traversal attacks.
The vulnerabilities are confirmed in version 2.2. Other versions may also be affected.
Solution:
Update to version 2.39 sp5.
http://www.bigantsoft.com/download.html
Provided and/or discovered by:
1) Matteo Memelli
2) Luigi Auriemma
Changelog:
2008-04-17: Added vulnerability #2.
2008-04-22: Added CVE reference.
2008-07-25: Updated "Solution" section.
2008-07-31: Updated "Solution" section.
Original Advisory:
Matteo Memelli:
http://milw0rm.com/exploits/5451
Luigi Auriemma:
http://aluigi.altervista.org/adv/biggayant-adv.txt
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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