grafana/011-CVE-2021-43813.patch
2022-01-18 16:12:34 +01:00

53 lines
2.1 KiB
Diff

commit ea77415cfe2cefe46ffce233076a1409abaa8df7
Author: Will Browne <wbrowne@users.noreply.github.com>
Date: Fri Dec 10 11:29:12 2021 +0000
apply fix (#42969)
diff --git a/pkg/plugins/plugins.go b/pkg/plugins/plugins.go
index e6370a29e7..c7199c716e 100644
--- a/pkg/plugins/plugins.go
+++ b/pkg/plugins/plugins.go
@@ -491,15 +491,15 @@ func GetPluginMarkdown(pluginId string, name string) ([]byte, error) {
}
// nolint:gosec
- // We can ignore the gosec G304 warning on this one because `plug.PluginDir` is based
- // on plugin the folder structure on disk and not user input.
- path := filepath.Join(plug.PluginDir, fmt.Sprintf("%s.md", strings.ToUpper(name)))
+ // We can ignore the gosec G304 warning since we have cleaned the requested file path and subsequently
+ // use this with a prefix of the plugin's directory, which is set during plugin loading
+ path := filepath.Join(plug.PluginDir, mdFilepath(strings.ToUpper(name)))
exists, err := fs.Exists(path)
if err != nil {
return nil, err
}
if !exists {
- path = filepath.Join(plug.PluginDir, fmt.Sprintf("%s.md", strings.ToLower(name)))
+ path = filepath.Join(plug.PluginDir, mdFilepath(strings.ToLower(name)))
}
exists, err = fs.Exists(path)
@@ -511,8 +511,8 @@ func GetPluginMarkdown(pluginId string, name string) ([]byte, error) {
}
// nolint:gosec
- // We can ignore the gosec G304 warning on this one because `plug.PluginDir` is based
- // on plugin the folder structure on disk and not user input.
+ // We can ignore the gosec G304 warning since we have cleaned the requested file path and subsequently
+ // use this with a prefix of the plugin's directory, which is set during plugin loading
data, err := ioutil.ReadFile(path)
if err != nil {
return nil, err
@@ -520,6 +520,10 @@ func GetPluginMarkdown(pluginId string, name string) ([]byte, error) {
return data, nil
}
+func mdFilepath(mdFilename string) string {
+ return filepath.Clean(filepath.Join("/", fmt.Sprintf("%s.md", mdFilename)))
+}
+
// gets plugin filenames that require verification for plugin signing
func collectPluginFilesWithin(rootDir string) ([]string, error) {
var files []string