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MyServer math_sum.mscgi Buffer Overflow Vulnerability
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Secunia Advisory:
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SA9728
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Release Date:
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2003-09-15
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Last Update:
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2004-09-06
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Popularity:
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5,057 views
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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 Patch
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| Software: | MyServer 0.x
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Description:
A vulnerability has been discovered in MyServer, which potentially can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to boundary errors in "math_sum.mscgi". These can be exploited by supplying overly long, specially crafted input to either the "a" or "b" variables, which results in a buffer overflow.
Example:
/cgi-bin/math_sum.mscgi?a=[AAA...x86...AAA]
The vulnerability has been confirmed in versions 0.4.3 and 0.6.2. However, other versions may also affected.
Solution:
The vulnerability was reportedly fixed in version 0.7.
Provided and/or discovered by:
Originally discovered by:
Moran, Moozatech.
Rediscovered in latest version (0.6.2) by:
Dr_insane
Changelog:
2003-09-24: Updated version issued.
2004-07-30: Vulnerability reintroduced in latest versions.
2004-09-06: Updated "Solution" section.
Original Advisory:
http://www.moozatech.com/mt-12-09-2003.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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