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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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Application:   Malwarebytes Antivirus
Platforms:   Windows
Versions:   2.2.0.
CVE:   No CVE have been assigned
Author:   Francis Provencher of COSIG
Twitter:   @COSIG_
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1) Introduction
2) Report Timeline
3) Technical details
4) POC

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1) Introduction
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Malwarebytes Anti-Malware (MBAM) is an application for computers running under the Microsoft Windows and Apple OS Xoperating system that finds and removes malware.[3] Made by Malwarebytes Corporation, it was first released in January 2008. It is available in a free version, which scans for and removes malware when started manually, and a paid version, which additionally provides scheduled scans, real-time protection and a flash memory scanner.

(http://www.oracle.com/us/technologies/embedded/025613.htm)

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2) Report Timeline
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2015-11-28: Francis Provencher of COSIG found the issue;
2015-11-30: Francis Provencher of COSIG report vulnerability to Malwarebytes;
2015-12-02: Malwarebytes release a patch for this issue;

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3) Technical details
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When a malformed executable with an invalid integer (-1) in the “SizeOfRawData” in UPX section is parsed by Malwarebytes, a memory corruption occured. Successful exploitation of the vulnerabilities may allow execution of arbitrary code.

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4) POC
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/38858.exe