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Office365 Autodiscover - Open Redirect

ID: office365-open-redirect

Severity: medium

Author: dhiyaneshDk

Tags: redirect,office365,microsoft,misconfig,intrusive

Office365 Autodiscover contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.

id: office365-open-redirect
info:
name: Office365 Autodiscover - Open Redirect
author: dhiyaneshDk
severity: medium
description: Office365 Autodiscover contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
remediation: See the workaround detailed in the Medium post in the references.
reference:
- https://medium.com/@heinjame/office365-open-redirect-from-autodiscover-64284d26c168
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cwe-id: CWE-601
metadata:
max-request: 1
tags: redirect,office365,microsoft,misconfig,intrusive
http:
- method: GET
path:
- "{{BaseURL}}/autodiscover/autodiscover.json/v1.0/{{randstr}}@interact.sh?Protocol=Autodiscoverv1"
matchers-condition: and
matchers:
- type: word
part: header
words:
- "autodiscover.interact.sh"
- type: status
status:
- 302
# digest: 4a0a0047304502204ca49f692da622da6814c7db06a7eada8a2dc5c5a905ab2917e759f3cd20e9bf022100e9b6d72a3670b92a9928e130f3a825c45236e645b12fbfd5b3edb31f1f5ef512:922c64590222798bb761d5b6d8e72950

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/misconfiguration/office365-open-redirect.yaml"

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