fleet/server/vulnerabilities/goval_dictionary/database.go
Konstantin Sykulev bd2b2bcd3b
validate generate-cve.yml outputs (#26752)
https://github.com/fleetdm/fleet/issues/21300

- [x] Added/updated automated tests
- [x] A detailed QA plan exists on the associated ticket (if it isn't
there, work with the product group's QA engineer to add it)
- [x] Manual QA for all new/changed functionality
2025-03-12 14:49:47 -05:00

105 lines
3.1 KiB
Go

package goval_dictionary
import (
"database/sql"
"fmt"
"strings"
"github.com/fleetdm/fleet/v4/server/fleet"
"github.com/fleetdm/fleet/v4/server/vulnerabilities/oval"
"github.com/fleetdm/fleet/v4/server/vulnerabilities/utils"
kitlog "github.com/go-kit/log"
"github.com/go-kit/log/level"
)
func NewDB(db *sql.DB, platform oval.Platform) *Database {
return &Database{sqlite: db, platform: platform}
}
type Database struct {
sqlite *sql.DB
platform oval.Platform
}
const baseSearchStmt = `SELECT packages.version, cves.cve_id
FROM packages join definitions on definitions.id = packages.definition_id
JOIN advisories ON advisories.definition_id = definitions.id JOIN cves ON cves.advisory_id = advisories.id`
func (db Database) Verfiy() error {
searchStmt := fmt.Sprintf("%s LIMIT 1", baseSearchStmt)
affectedSoftwareRows, err := db.sqlite.Query(searchStmt)
if err != nil {
return fmt.Errorf("could not query database: %w", err)
}
defer affectedSoftwareRows.Close()
if affectedSoftwareRows.Err() != nil {
return affectedSoftwareRows.Err()
}
return nil
}
// Eval evaluates the current goval_dictionary database against an OS version and a list of installed software,
// returns all software vulnerabilities found. Logs on any errors so we return as many vulnerabilities as we can.
func (db Database) Eval(software []fleet.Software, logger kitlog.Logger) []fleet.SoftwareVulnerability {
searchStmt := fmt.Sprintf("%s WHERE packages.name = ? AND packages.arch = ? ORDER BY cve_id, version", baseSearchStmt)
vulnerabilities := make([]fleet.SoftwareVulnerability, 0)
for _, swItem := range software {
err := func() error {
affectedSoftwareRows, err := db.sqlite.Query(searchStmt, swItem.Name, swItem.Arch)
if err != nil {
return fmt.Errorf("could not query database: %w", err)
}
defer affectedSoftwareRows.Close()
for affectedSoftwareRows.Next() {
var fixedVersionWithEpochPrefix, cve string
if err := affectedSoftwareRows.Scan(&fixedVersionWithEpochPrefix, &cve); err != nil {
level.Error(logger).Log(
"msg", "could not read package vulnerability result",
"package", swItem.Name,
"arch", swItem.Arch,
"platform", db.platform,
"err", err,
)
continue
}
var currentVersion string
if swItem.Release != "" {
currentVersion = fmt.Sprintf("%s-%s", swItem.Version, swItem.Release)
} else {
currentVersion = swItem.Version
}
fixedVersion := strings.Split(fixedVersionWithEpochPrefix, ":")[1]
if utils.Rpmvercmp(currentVersion, fixedVersion) < 0 {
vulnerabilities = append(vulnerabilities, fleet.SoftwareVulnerability{
SoftwareID: swItem.ID,
CVE: cve,
ResolvedInVersion: &fixedVersion,
})
}
}
if affectedSoftwareRows.Err() != nil {
return affectedSoftwareRows.Err()
}
return nil
}()
if err != nil {
level.Error(logger).Log(
"msg", "could not read package vulnerabilities",
"package", swItem.Name,
"arch", swItem.Arch,
"platform", db.platform,
"err", err,
)
}
}
return vulnerabilities
}