Description
Insecure method vulnerability in the ChilkatCrypt2.ChilkatCrypt2.1 ActiveX control (ChilkatCrypt2.dll 4.3.2.1) in Chilkat Crypt ActiveX Component allows remote attackers to create and overwrite arbitrary files via the WriteFile method. NOTE: this could be leveraged for code execution by creating executable files in Startup folders or by accessing files using hcp:// URLs. NOTE: some of these details are obtained from third party information.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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Chilkat Crypt ActiveX WriteFile Unsafe Method
exploit/windows/browser/chilkat_crypt_writefile
Exploit-DB 2
- Chilkat Crypt - ActiveX WriteFile Unsafe Method (Metasploit) EDB-16518 · remote · Sep 20, 2010 · verified
- Chilkat Crypt - ActiveX Arbitrary File Creation/Execution EDB-6963 · remote · Nov 3, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 4571 third-party-advisory
- chilkat-crypt-activex-file-overwrite(46315) vdb-entry
- 32513 third-party-advisory
- 6963 exploit
- ADV-2008-2998 vdb-entry
- 32073 vdb-entry