mirror of
https://github.com/adulau/git-vuln-finder.git
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101 lines
4.5 KiB
Markdown
101 lines
4.5 KiB
Markdown
# git-vuln-finder
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Finding potential software vulnerabilities from git commit messages. The output format is a JSON with the associated commit which could contain a fix regarding
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a software vulnerability. The search is based on a set of regular expressions against the commit messages only.
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# Requirements
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- Python 3
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- GitPython
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# Usage
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~~~bash
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usage: finder.py [-h] [-v] [-r R] [-o O] [-s S] [-p P]
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Finding potential software vulnerabilities from git commit messages.
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optional arguments:
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-h, --help show this help message and exit
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-v increase output verbosity
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-r R git repository to analyse
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-o O Output format: [json]
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-s S State of the commit found
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-p P Matching pattern to use: [vulnpatterns, cryptopatterns,
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cpatterns] - the pattern 'all' is used to match all the patterns
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at once.
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More info: https://github.com/cve-search/git-vuln-finder
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~~~
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# Patterns
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git-vuln-finder comes with 3 default patterns which can be selected to find the potential vulnerabilities described in the commit messages such as:
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- `vulnpatterns` is a generic vulnerability pattern especially targeting web application and generic security commit message. Based on an academic paper.
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- `cryptopatterns` is a vulnerability pattern for cryptographic errors mentioned in commit messages.
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- `cpatterns` is a set of standard vulnerability patterns see for C/C++-like languages.
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## A sample partial output from Curl git repository
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~~~bash
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python3 finder.py -r /home/adulau/git/curl | jq .
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...
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"6df916d751e72fc9a1febc07bb59c4ddd886c043": {
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"message": "loadlibrary: Only load system DLLs from the system directory\n\nInspiration provided by: Daniel Stenberg and Ray Satiro\n\nBug: https://curl.haxx.se/docs/adv_20160530.html\n\nRef: Windows DLL hijacking with curl, CVE-2016-4802\n",
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"commit-id": "6df916d751e72fc9a1febc07bb59c4ddd886c043",
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"summary": "loadlibrary: Only load system DLLs from the system directory",
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"stats": {
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"insertions": 180,
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"deletions": 8,
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"lines": 188,
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"files": 7
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},
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"author": "Steve Holme",
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"author-email": "steve_holme@hotmail.com",
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"authored_date": 1464555460,
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"committed_date": 1464588867,
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"branches": [
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"master"
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],
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"pattern-selected": "(?i)(denial of service |\bXXE\b|remote code execution|\bopen redirect|OSVDB|\bvuln|\bCVE\b |\bXSS\b|\bReDoS\b|\bNVD\b|malicious|x−frame−options|attack|cross site |exploit|malicious|directory traversal |\bRCE\b|\bdos\b|\bXSRF \b|\bXSS\b|clickjack|session.fixation|hijack|\badvisory|\binsecure |security |\bcross−origin\b|unauthori[z|s]ed |infinite loop)",
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"pattern-matches": "hijack",
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"state": "under-review"
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},
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"c2b3f264cb5210f82bdc84a3b89250a611b68dd3": {
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"message": "CONNECT_ONLY: don't close connection on GSS 401/407 reponses\n\nPreviously, connections were closed immediately before the user had a\nchance to extract the socket when the proxy required Negotiate\nauthentication.\n\nThis regression was brought in with the security fix in commit\n79b9d5f1a42578f\n\nCloses #655\n",
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"commit-id": "c2b3f264cb5210f82bdc84a3b89250a611b68dd3",
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"summary": "CONNECT_ONLY: don't close connection on GSS 401/407 reponses",
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"stats": {
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"insertions": 4,
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"deletions": 2,
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"lines": 6,
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"files": 1
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},
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"author": "Marcel Raad",
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"author-email": "raad@teamviewer.com",
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"authored_date": 1455523116,
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"committed_date": 1461704516,
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"branches": [
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"master"
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],
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"pattern-selected": "(?i)(denial of service |\bXXE\b|remote code execution|\bopen redirect|OSVDB|\bvuln|\bCVE\b |\bXSS\b|\bReDoS\b|\bNVD\b|malicious|x−frame−options|attack|cross site |exploit|malicious|directory traversal |\bRCE\b|\bdos\b|\bXSRF \b|\bXSS\b|clickjack|session.fixation|hijack|\badvisory|\binsecure |security |\bcross−origin\b|unauthori[z|s]ed |infinite loop)",
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"pattern-matches": "security ",
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"state": "under-review"
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},
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...
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~~~
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# License and author(s)
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This software is free software and licensed under the AGPL version 3.
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Copyright (c) 2019 Alexandre Dulaunoy - https://github.com/adulau/
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# References
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- [Notes](https://gist.github.com/adulau/dce5a6ca5c65017869bb01dfee576303#file-finding-vuln-git-commit-messages-md)
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- https://csce.ucmss.com/cr/books/2017/LFS/CSREA2017/ICA2077.pdf (mainly using CVE referenced in the commit message) - archive (http://archive.is/xep9o)
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- https://asankhaya.github.io/pdf/automated-identification-of-security-issues-from-commit-messages-and-bug-reports.pdf (2 main regexps)
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