Generate correct CPE from malformed ipswitch whatsup CPE, ensure matches relevant CVEs (#41704)

**Related issue:** Resolves #32662 

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

- [ ] Changes file added for user-visible changes in `changes/`
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Use CPE alias handling to generate correct CPE from malformed one,
ensuring correct CVEs are matched.

* **Tests**
* Added comprehensive test coverage for the enhanced CPE alias
expansion, including malformed CPE mapping scenarios and CVE matching
validation for Ipswitch WhatsUp.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

changes/32662-include-correct-cpe

@@ -0,0 +1 @@
+- Generate correct CPE from malformed ipswitch whatsup CPE, ensuring applicable CVEs are matched.

server/vulnerabilities/nvd/cve.go

@@ -606,6 +606,17 @@ func expandCPEAliases(cpeItem *wfn.Attributes) []*wfn.Attributes {
 		}
 	}
 
+	// The NVD CPE dictionary contains an invalid CPE for Ipswitch WhatsUp with product="whatsup",
+	// but CVE-2006-2354 references product="whatsup_professional".
+	// See https://github.com/fleetdm/fleet/issues/32662.
+	for _, cpeItem := range cpeItems {
+		if cpeItem.Vendor == "ipswitch" && cpeItem.Product == "whatsup" {
+			cpeItem2 := *cpeItem
+			cpeItem2.Product = "whatsup_professional"
+			cpeItems = append(cpeItems, &cpeItem2)
+		}
+	}
+
 	// pgAdmin CVEs in NVD use target_sw=postgresql and product=pgadmin_4, but Fleet generates
 	// CPEs with platform-based target_sw (macos, windows) and may use different product
 	// names (pgadmin, pgadmin4). Add aliases with target_sw=postgresql and product name

server/vulnerabilities/nvd/cve_test.go

@@ -453,6 +453,19 @@ func TestTranslateCPEToCVE(t *testing.T) {
 		// 	},
 		// 	continuesToUpdate: true,
 		// },
+		// Ensure malformed ipswitch whatsup cpe is successfully matched to CVE
+		// See https://github.com/fleetdm/fleet/issues/32662.
+		"cpe:2.3:a:ipswitch:whatsup:2006:-:professional:premium:*:*:*:*": {
+			includedCVEs: []cve{
+				{ID: "CVE-2006-2351"},
+				{ID: "CVE-2006-2352"},
+				{ID: "CVE-2006-2353"},
+				{ID: "CVE-2006-2354"},
+				{ID: "CVE-2006-2355"},
+				{ID: "CVE-2006-2356"},
+				{ID: "CVE-2006-2357"},
+			},
+		},
 		// Tests the expandCPEAliases rule for virtualbox on macOS
 		"cpe:2.3:a:oracle:virtualbox:7.0.6:*:*:*:*:macos:*:*": {
 			includedCVEs: []cve{
@@ -1247,6 +1260,14 @@ func TestExpandCPEAliases(t *testing.T) {
 	python3130RC1Alias.Version = "3.13.0rc1"
 	python3130RC1Alias.Update = ""
 
+	ipswitchWhatsup := &wfn.Attributes{
+		Vendor:  "ipswitch",
+		Product: "whatsup",
+		Version: "2006",
+	}
+	ipswitchWhatsupAlias := *ipswitchWhatsup
+	ipswitchWhatsupAlias.Product = "whatsup_professional"
+
 	pgadminMacOS := &wfn.Attributes{
 		Vendor:   "pgadmin",
 		Product:  "pgadmin",
@@ -1317,6 +1338,11 @@ func TestExpandCPEAliases(t *testing.T) {
 			cpeItem:         python3130RC1,
 			expectedAliases: []*wfn.Attributes{python3130RC1, &python3130RC1Alias},
 		},
+		{
+			name:            "ipswitch whatsup alias",
+			cpeItem:         ipswitchWhatsup,
+			expectedAliases: []*wfn.Attributes{ipswitchWhatsup, &ipswitchWhatsupAlias},
+		},
 		{
 			name:    "pgadmin on macos",
 			cpeItem: pgadminMacOS,