SQL injection in Sophos XG Firewall

1) SQL injection

EUVDB-ID: #VU45887

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-15504

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Sophos Firewall: before 17.5 MR13

CPE2.3

• cpe:2.3:h:sophos:xg_firewall:*:*:*:*:*:*:*:*

External links

https://community.sophos.com/b/security-blog/posts/advisory-resolved-rce-via-sqli-cve-2020-15504
https://www.sophos.com/en-us/security-advisories/sophos-sa-20200710-xg-sqli-rce

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.