Tech giants have deployed emergency blocks against eight vulnerable digital certificates that could allow attackers to impersonate legitimate websites.
By Tuesday, browser developers and other major technology companies had deployed protections against eight intermediate certificates issued by India-based certificate authority eMudhra Limited after discovering that their private keys were insufficiently secure.
Mozilla cryptography engineer Dennis Jackson wrote in an incident report that Mozilla independently recovered the private keys when it first received notice of the flaw on Saturday, confirming that the key-generation process was “flawed” and “trivial to exploit.”
An attacker who intercepts a user’s connection could use fraudulent certificates to impersonate a legitimate website and potentially read or alter the information exchanged, according to Mozilla.
While many companies quickly blocked the affected…