Vulnerability

Gmail cookie-validation vulnerability

vulnerability:gmail_cookie_validation_vulnerability Also: Gmail bug, fake cookies

A Gmail recovery weakness involving forged or manipulated cookies that made the reset process appear to recognize a prior login.

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Direction Predicate Other entity Origin EP
outgoing AFFECTS Gmail Explicit 118
incoming EXPLOITS Joseph Harris Explicit 118

Claims

Joseph Harris EXPLOITS Gmail cookie-validation vulnerability

Joseph used fake cookies to make Gmail believe he had previously logged into a victim’s account, enabling password resets.

Explicit Confidence 99% · Joseph Harris EP 118 Details

“I was able to get it so it would appear that way for any account”

Joseph Harris · offsets 38659–38723

Gmail cookie-validation vulnerability AFFECTS Gmail

The cookie-validation vulnerability affected Gmail’s password-recovery process.

Explicit Confidence 99% · Jack Rhysider EP 118 Details

“One day, he found a bug in Gmail which let him reset anyone’s password”