util/classification: check stack allocation size

Ticket: 8001
9 months ago · 6b7c78393c
parent 753ab723b0
commit 6b7c78393c
1 changed files with 4 additions and 0 deletions
--- a/src/util-classification-config.c
+++ b/src/util-classification-config.c
@ -561,6 +561,10 @@ bool SCClassConfLoadClassificationConfigFile(DetectEngineCtx *de_ctx, FILE *fd)
 SCClassConfClasstype *SCClassConfGetClasstype(const char *ct_name,
                                              DetectEngineCtx *de_ctx)
 {
+    if (strlen(ct_name) > CLASSTYPE_NAME_MAX_LEN) {
+        DEBUG_VALIDATE_BUG_ON(strlen(ct_name) > CLASSTYPE_NAME_MAX_LEN);
+        return NULL;
+    }
    char name[strlen(ct_name) + 1];
    size_t s;
    for (s = 0; s < strlen(ct_name); s++)