The Twitter iOS client versions 6.62 and 6.62.1 fail to validate Twitter's server certificates for the /1.1/help/settings.json configuratio…

The Twitter iOS client versions 6.62 and 6.62.1 fail to validate Twitter's server certificates for the /1.1/help/settings.json configuration endpoint, permitting man-in-the-middle attackers the ability to view an application-only OAuth client token and potentially enable unreleased Twitter iOS app features.