If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0.

If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0.

Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64 Mozilla: Information disclosure due to manipulated URL object Mozilla: Use-after-free in nsGlobalWindowInner Mozilla: Use-After-Free when trying to connect to a STUN server Mozilla: Add-On updates did not respect the same certificate trust rules as software updates Mozilla: Automatic account setup leaks Microsoft Exchange login credentials

Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64 Mozilla: Information disclosure due to manipulated URL object Mozilla: Use-after-free in nsGlobalWindowInner Mozilla: Use-After-Free when trying to connect to a STUN server Mozilla: Add-On updates did not respect the same certificate trust rules as software updates Mozilla: Automatic account setup leaks Microsoft Exchange login credentials

Affected: Ubuntu:16.04:LTS: thunderbird, Ubuntu:18.04:LTS: thunderbird, Ubuntu:20.04:LTS: thunderbird

If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0.