National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-18014 Detail

Current Description

An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3. An unauthenticated user can trigger a persistent XSS vulnerability found in the WAF log page (Control Center -> Log Viewer -> in the filter option "Web Server Protection") in the webadmin interface, and execute any action available to the webadmin of the firewall (e.g., creating a new user, enabling SSH, or adding an SSH authorized key). The WAF log page will execute the "User-Agent" parameter in the HTTP POST request.

Source:  MITRE      Last Modified:  01/12/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-18014
Original release date:
01/12/2018
Last revised:
02/06/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.1 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (legend)
Impact Score:
2.7
Exploitability Score:
2.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Changed
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://seclists.org/fulldisclosure/2018/Jan/24 Mailing List; Third Party Advisory External Source FULLDISC 20180109 SSD Advisory - Sophos XG from Unauthenticated Persistent XSS to Unauthorized Root Access
https://blogs.securiteam.com/index.php/archives/3612 Exploit; Third Party Advisory External Source MISC https://blogs.securiteam.com/index.php/archives/3612
https://community.sophos.com/kb/en-us/128024 Vendor Advisory External Source CONFIRM https://community.sophos.com/kb/en-us/128024
https://community.sophos.com/products/xg-firewall/b/xg-blog/posts/sfos-17-0-3-mr3-released Vendor Advisory External Source CONFIRM https://community.sophos.com/products/xg-firewall/b/xg-blog/posts/sfos-17-0-3-mr3-released

Technical Details

Vulnerability Type (View All)

  • Cross-Site Scripting (XSS) (CWE-79)

Change History 1 change record found - show changes