CVE-2023-6903 Netentsec NS-ASG Application Security Gateway sql injection

High 7.3 Published 17 Dec 2023 Updated 30 Sep 2024

Remote attackers can exploit SQL injection in the loginId parameter to read or modify data on Netentsec NS-ASG Application Security Gateways.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-6903?

CVE-2023-6903 is a high-severity SQL injection vulnerability in Netentsec NS-ASG Application Security Gateway, published on 17 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3.1. This affects an unknown part of the file /admin/singlelogin.php?submit=1. The manipulation of the argument loginId leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-248265 was assigned to this vulnerability.

Weakness: CWE-89

Which versions are affected by CVE-2023-6903?

It affects 1 product.

Products include Netentsec Application Security Gateway.

How do I fix CVE-2023-6903?

No fix has been published for CVE-2023-6903 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2023-6903 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6903 exists.

Sources

Also known as GHSA-fw3x-xm29-cr83.