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AMX Mod X "geoip_code2()" and "geoip_code3()" Off-By-One Vulnerabilities
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Secunia Advisory:
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SA27411
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Release Date:
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2007-10-26
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Last Update:
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2007-10-31
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Popularity:
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5,759 views
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Critical:
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Moderately critical
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Impact:
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DoS
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: | AMX Mod X 1.x
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| CVE reference: | CVE-2007-5713
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Description:
Simon Logic has reported some vulnerabilities in AMX Mod X, which can potentially be exploited by malicious people to cause a DoS (Denial of Service) or compromise an application using the plugin.
The vulnerabilities are caused due to the "geoip_code2()" and "geoip_code3()" functions incorrectly handling country lookup errors. This can be exploited to cause a buffer overflow with a zero byte.
The vulnerabilities are reported in version 1.76d. Other versions may also be affected.
Solution:
Update to version 1.8.0.
The vendor recommends the usage of the "geoip_code2_ex()" and "geoip_code3_ex()" functions in order to avoid the buffer overflow.
Provided and/or discovered by:
Simon Logic
Changelog:
2007-10-31: Added CVE reference.
Original Advisory:
http://bugs.alliedmods.net/index.php?do=details&task_id=519
http://wiki.alliedmods.net/AMX_Mod_X_1.8.0_Changes
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About this Secunia Advisory
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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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