Windows 10: Facebook disables View As feature as it patches security hole

Brink · Sep 28, 2018

On the afternoon of Tuesday, September 25, our engineering team discovered a security issue affecting almost 50 million accounts. We’re taking this incredibly seriously and wanted to let everyone know what’s happened and the immediate action we’ve taken to protect people’s security.

Our investigation is still in its early stages. But it’s clear that attackers exploited a vulnerability in Facebook’s code that impacted “View As”, a feature that lets people see what their own profile looks like to someone else. This allowed them to steal Facebook access tokens which they could then use to take over people’s accounts. Access tokens are the equivalent of digital keys that keep people logged in to Facebook so they don’t need to re-enter their password every time they use the app.

Here is the action we have already taken. First, we’ve fixed the vulnerability and informed law enforcement.

Second, we have reset the access tokens of the almost 50 million accounts we know were affected to protect their security. We’re also taking the precautionary step of resetting access tokens for another 40 million accounts that have been subject to a “View As” look-up in the last year. As a result, around 90 million people will now have to log back in to Facebook, or any of their apps that use Facebook Login. After they have logged back in, people will get a notification at the top of their News Feed explaining what happened.

Third, we’re temporarily turning off the “View As” feature while we conduct a thorough security review.

This attack exploited the complex interaction of multiple issues in our code. It stemmed from a change we made to our video uploading feature in July 2017, which impacted “View As.” The attackers not only needed to find this vulnerability and use it to get an access token, they then had to pivot from that account to others to steal more tokens.

Since we’ve only just started our investigation, we have yet to determine whether these accounts were misused or any information accessed. We also don’t know who’s behind these attacks or where they’re based. We’re working hard to better understand these details — and we will update this post when we have more information, or if the facts change. In addition, if we find more affected accounts, we will immediately reset their access tokens.

People’s privacy and security is incredibly important, and we’re sorry this happened. It’s why we’ve taken immediate action to secure these accounts and let users know what happened. There’s no need for anyone to change their passwords. But people who are having trouble logging back into Facebook — for example because they’ve forgotten their password — should visit our Help Center. And if anyone wants to take the precautionary action of logging out of Facebook, they should visit the “Security and Login” section in settings. It lists the places people are logged into Facebook with a one-click option to log out of them all.
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Source: Security Update | Facebook Newsroom

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zekrahminator · Sep 28, 2018

Apple patches over two dozen security holes in recent patch.

Mac OS X 10 has recently been the subject of tons of security testing. To patch most of the findings of those tests, Apple has released a security update. The update patches irPort, Apple Type Services, Finder, Installer, Security Framework, VPN, and several web services. A full list of notes regarding this patch can be found here, and you can get the patch here.

Source: The Register

Cluster Head · Sep 28, 2018

Lenovo Patches Security Holes in Its System Update Tool

Attackers could have gained access to administrator accounts

Lenovo announced security updates to its ThinkVantage tool that comes pre-installed on all of the company's laptops. This latest update addresses two privilege escalation vulnerabilities discovered by IOActive.

ThinkVantage System Update is a software package that Lenovo says it will help users save time and effort needed to always fetch the latest drivers, BIOS, and other applications for their Think or Lenovo systems.

Attackers can predict the username and password of an administrator account

IOActive researchers found two flaws in ThinkVantage 5.07.0013 that allowed attackers to spawn admin-level processes on affected devices. Both issues have the same cause, a temporary administrator account created during the installation of the ThinkVantage package, account that was never deleted afterwards.
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Read more: http://news.softpedia.com/news/lenov...l-496822.shtml

Jimmy 2004 · Sep 28, 2018

HP Confirms Security Hole on 82 Notebook Models

HP has released an update for 82 different notebook models that could potentially be affected by a security hole linked to the HP Info Center software. The update, which you can download L: here, deactivates the vulnerable software until a proper patch is released. Anyone with a HP or Compaq notebook listed on L: this page could potentially be affected by the problem and should download the patch as soon as possible. The vulnerability can be exploited by attackers when certain websites are visited using Internet Explorer 6 or 7, and is not resolved by uninstalling the software - you must use the patch from HP.

Source: heise Security

Windows 10: Facebook disables View As feature as it patches security hole

Facebook disables View As feature as it patches security hole

Facebook disables View As feature as it patches security hole

Facebook disables View As feature as it patches security hole

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