[PATCH BlueZ v2 3/4] settings: limit string size in load_service()

[Roman Smirnov <r.smirnov@xxxxxx>]

It is necessary to prevent buffer overflow by limiting
the maximum string length.

Found with the SVACE static analysis tool.
---
 V1 -> V2: use "%36s[^:]" instead of calculating the string length
 src/settings.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/settings.c b/src/settings.c
index b61e694f1..643a083db 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -193,7 +193,7 @@ static int load_service(struct gatt_db *db, char *handle, char *value)
 		return -EIO;
 	}
 
-	if (sscanf(value, "%[^:]:%04hx:%36s", type, &end, uuid_str) != 3) {
+	if (sscanf(value, "%36[^:]:%04hx:%36s", type, &end, uuid_str) != 3) {
 		DBG("Failed to parse value: %s", value);
 		return -EIO;
 	}
-- 
2.34.1