Rule Category

SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.

Alert Message

SERVER-WEBAPP Sophos XG Firewall SQL injection attempt

Rule Explanation

SQL injection vulnerability in Sophos XG Firewall product allows for remote execution of arbitrary SQL commands via the release and hdnFilePath parameters.

What To Look For

This rule triggers on SQL injection metacharacters sent to the Sophos XG Firewall product in the request parameters.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Exploit Public-Facing Application

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Additional Links

Rule Vulnerability

SQL Injection

SQL Injection attacks target PHP and ASP applications primarily and involve SQL queries or commands added to unverified user input. A successful attack can lead to data leaks (entirely exposed data), database modification (data deletion or tampering), administrative permissions misuse, and sometimes direct commands passed to the operating system.

CVE Additional Information

CVE-2020-15504
A SQL injection vulnerability in the user and admin web interfaces of Sophos XG Firewall v18.0 MR1 and older potentially allows an attacker to run arbitrary code remotely. The fix is built into the re-release of XG Firewall v18 MR-1 (named MR-1-Build396) and the v17.5 MR13 release. All other versions >= 17.0 have received a hotfix.
Details
Severity Base Score9.8
Impact Score5.9 Exploit Score3.9
Confidentiality ImpactHIGH Integrity ImpactHIGH
Availability ImpactHIGH Attack VectorNETWORK
ScopeUNCHANGED User InteractionNONE
Authentication Ease of AccessLOW
Privileges RequiredNONE