Mist leaks some low degree APIs, which Dapps might use to realize entry to the pc’s file system and browse/delete recordsdata. This is able to 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 really useful 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 probably’t load exterior DApps.
Chance: Medium
Severity: Excessive
Abstract
Some Mist API strategies had been uncovered, making it potential for malicious webpages to realize entry to a privileged interface that would delete recordsdata on the native filesystem or launch registered protocol handlers and procure delicate data, such because the person listing or the person’s “coinbase”.
Weak uncovered mist APIs:
mist.shellmist.dirnamemist.syncMinimongoweb3.eth.coinbaseis now
null, if the account isn’t 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 isn’t affected because it does not enable navigation to exterior pages.
This can be a good reminder that Mist is at present solely thought-about for Ethereum App Growth and shouldn’t be used for finish customers to navigate on the open net 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 copy 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
