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zarn

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Zarn

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Zarn

现代Perl应用程序的轻量级静态代码安全分析

概括

进行静态分析，ZARN能够识别可能的漏洞：为此，使用AST分析对每个文件进行解析以识别出存在风险并随后运行污点跟踪过程的令牌，以确认是否可以利用是否可以验证恶意代理是否能够针对问题中的方法。

当前，Zarn进行单个文件上下文分析，这意味着它无法识别与所分析的文件没有直接相关的漏洞。但是将来，我们计划实施呼叫图分析，以确定与要分析的文件无直接相关的漏洞。

您可以阅读有关Zarn的完整出版物：现代Perl应用程序的轻量级静态安全分析工具。

下载并安装

 # Download
$ git clone https://github.com/htrgouvea/zarn && cd zarn
    
# Install libs dependencies
$ sudo cpanm --installdeps .

使用的示例

$ perl zarn.pl --rules rules/quick-wins.yml --source ../nozaki --sarif report.sarif

[warn] - FILE:../nozaki/lib/Functions/Helper.pm          Potential: Timing Attack.
[vuln] - FILE:../nozaki/lib/Engine/Orchestrator.pm       Potential: Path Traversal.
[vuln] - FILE:../nozaki/lib/Engine/Orchestrator.pm       Potential: Path Traversal.
[warn] - FILE:../nozaki/lib/Engine/FuzzerThread.pm       Potential: Timing Attack.

规则示例

 rules :
  - id : ' 0001 '
    category : info
    name : Debug module enabled
    message : Debug modules can expose sensitive information and potentially create security vulnerabilities.
    sample :
      - Dumper
  - id : ' 0002 '
    category : vuln
    name : Code Injection
    message : Occur when untrusted data is executed as code, allowing attackers to run arbitrary commands on the server.
    sample :
      - system
      - eval
      - exec
      - qx
  - id : ' 0003 '
    category : vuln
    name : Path Traversal
    message : Occur when user input is not properly sanitized, allowing attackers to access files and directories outside of the intended directory structure.
    sample :
      - open

github动作

 name : ZARN SAST

on :
  push :
    branches : [ "main" ]
  pull_request :
    branches : [ "main" ]
  schedule :
    - cron : " 28 23 * * 1 "

jobs :
  zarn :
    name : Security Static Analysis with ZARN
    runs-on : ubuntu-20.04
    steps :
    - name : Checkout code
      uses : actions/checkout@v4
      
    - name : Perform Static Analysis
      uses : htrgouvea/[email protected]

    - name : Send result to Github Security
      uses : github/codeql-action/upload-sarif@v3
      with :
        sarif_file : result.sarif