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CVE-2018-0833/README.md

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A server information block (SMB) is a network file sharing protocol that allows applications and end users to access file resources from a remote file server. The crash occurred in the module "mrxsmb". This is a redirector of a Microsoft server message block (SMB). Windows 8.1 and Windows server 2012 R2 the vulnerability in Windows 8.1 (x86) on execution, send a carefully constructed data package, because it wants to address from the 0x00000030 memory read a protected (empty page protection) value, the value in the protected memory space will cause the kernel the exception handling, forcing the machine restart cause denial of service.
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Vulnerability reference:
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* [smbv3 null pointer dereference vulnerability](https://krbtgt.pw/smbv3-null-pointer-dereference-vulnerability)
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* [CVE-2018-0833](http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0833)
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* [exploit-db](https://www.exploit-db.com/exploits/44189/)
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* [cnvd](http://www.cnvd.org.cn/flaw/show/CNVD-2018-05738)
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## Usage
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```
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root@xxoo:/# python poc.py
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```
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![exploit](https://raw.githubusercontent.com/iBearcat/CVE-2018-0833/master/exploit.gif)
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## Vulnerability reference:
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* [smbv3 null pointer dereference vulnerability](https://krbtgt.pw/smbv3-null-pointer-dereference-vulnerability)
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* [CVE-2018-0833](http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0833)
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* [exploit-db](https://www.exploit-db.com/exploits/44189/)
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* [cnvd](http://www.cnvd.org.cn/flaw/show/CNVD-2018-05738)

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