Cyber Security

LastPass Vulnerability Allow Hackers To Steal Your Passwords

LastPass Vulnerability Allow Hackers To Steal Your Passwords

A critical zero-day flaw has been discovered in the well-known cloud password manager LastPass that could permit any remote attacker to give and take your account completely.

LastPass is one of the best password manager that also available as a browser annex (extension) that mechanically fills credentials for you.

All you need is to remember one master password to unlock all other passwords of your diverse online accounts, making it much easier for you to use unique passwords for different sites.

However, the password manager isn’t as secure as it promises.

Google Project Zero Hacker Tavis Ormandy discovered more than a few security issues in the software that allowed him to steal passwords stored with LastPass.

“Are people really using this LastPass thing? I took a rapid look and can see a bunch of obvious critical problems. I’ll send a report ASAP,” Ormandy revealed on Twitter.

Once compromise a victim’s LastPass account, hackers would be able to entrée a treasure trove of passwords for victim’s other online services.

Since LastPass is working on a patch to the zero-day vulnerability, technical details about the issues have not been disclosed by the researcher.

Similar Old Bug in LastPass Password Manager:

Accidentally, another security researcher Mathias Karlsson also announced that he had uncovered some issues in LastPass that has already been patched by the business.

A specially crafted URL is sufficient to take complete control of its user’s accounts.

As Karlsson explained in a blog post published today, an attacker could send a specially-crafted URL to the victim in order to steal passwords from his/her vault.

This specific susceptibility resided in the auto fill functionality of the LastPass browser extension, where a faulty regular expression for parsing the URL was allowing an attacker to spoof the targeted domain.

“By browsing this URL: http://avlidienbrunn.se/@twitter.com/@hehe.php the browser would treat the current domain as avlidienbrunn.se while the extension would treat it as twitter.com,” Karlsson explained.

Therefore, by abusing form auto-fill functionality, a hacker could steal victim’s, let’s say, Facebook password, by sending the POC URL containing facebook.com to the victim.

This particular fault has already been patched by the company within a day, and Karlsson has even been awarded with a bug bounty of $1,000.

Well, the issues in password managers are really nerve-racking, but this doesn’t mean that you should stop using password managers. Password managers still give confidence to you to use unique and complex passwords for every single site.

In wake of the latest issue, users can avoid browser-based password managers and instead switch to offline versions, like KeePass.

Update: LastPass has quickly patched the vulnerability reported by Tavis Ormandy and pushed an update with fix for all Firefox users using LastPass 4.

LastPass Vulnerability Allow Hackers To Steal Your Passwords

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