To reproduce:

1. Download attached project "20170712_assetstorebash_specular.zip" and open in Unity
2. Open "repro2" Scene
3. Look at scene view, game view or camera preview

Expected Result: There are no white dots
Actual Result: There are white dots around the body, especially on hands

Note: This issue appears both on Windows and OSX.
Note: there are body meshes using specular shaders:

Mobile/Bumped Specular
Legacy/Specular
Legacy/Bumped Specular

Reproduced on Unity 5.5.4p2, 5.6.2p3, 2017.1.0f3 and 2017.2.0b3