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PunkBuster Cvars Monitoring Format String Vulnerability
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Secunia Advisory:
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SA18917
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Release Date:
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2006-02-17
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Last Update:
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2006-02-23
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Popularity:
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7,538 views
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Critical:
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Highly 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 Patch
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| Software: | PunkBuster 1.x
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| CVE reference: | CVE-2006-0771
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Description:
Luigi Auriemma has reported a vulnerability in PunkBuster, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially to compromise a vulnerable system.
The vulnerability is caused due to a format string error in the PunkBuster server when kicking a client that has an invalid cvars value. This can be exploited to crash the server and may allow arbitrary code execution, by configuring the monitored cvars on a client to include format string specifiers.
The vulnerability has been reported in version 1.180 and prior.
Note: The vulnerability is reportedly exploitable via Soldier of Fortune II with PunkBuster enabled.
Solution:
The vulnerability has reportedly been fixed by the vendor.
Provided and/or discovered by:
Luigi Auriemma
Changelog:
2006-02-23: Added CVE reference.
Original Advisory:
http://aluigi.altervista.org/adv/sof2pbfs-adv.txt
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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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