Mist leaks some low stage APIs, which Dapps might use to realize entry to the pc’s file system and browse/delete recordsdata. This may solely have an effect on you in case you navigate to an untrusted Dapp that is aware of about these vulnerabilities and particularly tries to assault customers. Upgrading Mist is very advisable to stop publicity to assaults.
Affected configurations: All variations of Mist from 0.8.6 and decrease. This vulnerability does not have an effect on the Ethereum Pockets since it might’t load exterior DApps.
Chance: Medium
Severity: Excessive
Abstract
Some Mist API strategies have been uncovered, making it attainable for malicious webpages to realize entry to a privileged interface that might delete recordsdata on the native filesystem or launch registered protocol handlers and procure delicate data, such because the consumer listing or the consumer’s “coinbase”.
Susceptible uncovered mist APIs:
mist.shellmist.dirnamemist.syncMinimongoweb3.eth.coinbaseis now
null, if the account will not be allowed for the dapp
Resolution
Improve to the latest version of the Mist Browser. Don’t use any earlier Mist variations to navigate to any untrusted webpage, or native webpages from unknown origins. The Ethereum Pockets will not be affected because it does not enable navigation to exterior pages.
It is a good reminder that Mist is at present solely thought of for Ethereum App Improvement and shouldn’t be used for finish customers to navigate on the open internet till it has reached not less than model 1.0. An exterior audit of Mist is scheduled for December.
An enormous thanks goes to @tintinweb for his very helpful replica app to check the vulnerabilities!
We’re additionally considering of including Mist to the bounty program, in case you discover vulnerabilities or extreme bugs please contract us at bounty@ethereum.org
