CVE intelligence and bounded remediation

CVE-2023-5681 — A vulnerability, which was classified as critical, was found in Netentsec NS-ASG Application Security Gateway 6.3

High CVSS 7.2

A vulnerability, which was classified as critical, was found in Netentsec NS-ASG Application Security Gateway 6.3. This affects an unknown part of the file /admin/list_addr_fwresource_ip.php. The manipulation 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-243057 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Severity
High
CVSS
7.2 (3.1)
Published
2023-10-20
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-89

Affected products

  • netentsec / application_security_gateway / 6.3

Matched remediation archetype

SQL and data-query injection

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Check exposure

  • Trace request, message, file, and stored values into SQL, ORM query fragments, filters, sort expressions, and other data-query languages.
  • Inventory database roles, reachable schemas, multi-tenant boundaries, and whether stacked or administrative operations are enabled.
  • Check both direct queries and second-order use of previously stored values.

Remediate safely

  • Use parameterized queries or safe query builders for all values; map identifiers and operators through explicit allowlists.
  • Remove raw query concatenation and give the application account only the tables and operations it requires.
  • Update affected data-access components and add regression tests for query structure preservation with inert edge-case inputs.

Authoritative sources

Complete CVE record and remediation plan

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