This means your password could still be out there even after you update, so after you do, make sure to change it. I'd like to thank my colleague Ed Bott for editing and contributing to this report. Update on May 7: Emery got back to me with a lengthy e-mail. Here is an excerpt of his thoughts:. In my opinion, it should be impossible to turn such a feature on without patching code, and ideally shipped binaries should not contain even a disabled code path to log passwords in plain text.
And considering the consequences for security, there certainly are legitimate questions about whether this was a pure accident by some low level developer that failed to get caught by QA, or a deliberate act by a malefactor "mole" somewhere within Apple - or by far the least likely but also most sinister - a deliberate act a by someone in authority at Apple - perhaps to meet pressure from some government for access to encrypted partitions at national borders?
Certainly there is a well known strategy for finding this sort of stuff - namely to choose a rather unique password string and search for it across the entire raw disk device and if you find it or perhaps certain predictable permutations and encodings of it as well, determine what file it is in using the obvious filesystem maintenance commands that track a disk block back to the file it is part of.
This is weak in that it doesn't catch all cases of leaks reliably but at least might catch a glaring one like this I'd frankly expect it would be automatic to run such tests as part of a regression suite on a major product trusted by millions to be somewhat secure. Anonymous attacks Ukrainian government after Demonoid bust. Wikileaks has been under DDoS attack for the last five days.
Demonoid owners under criminal investigation. Reuters was using old WordPress version when it was hacked. Ubuntu The latest long-term support of Ubuntu comes with a fresh new Linux kernel and hardware drivers. Next Windows update brings better Linux integration. The Windows 10 April Update boasts many improvements, not least of which is Windows Subsystem for Linux's new ability to let you access Linux files safely from Windows. Microsoft just made Windows 10 updates a little easier to understand.
Microsoft once again changes definitions of Windows 10 updates, but it should make life simpler. Opera desktop browser gets a new look, dark theme gets darker. Opera shuffles around buttons in its forthcoming release with re-design inspired by photography. Data integration issues still impede digital progress, survey shows. Survey says data integration is more of a struggle than ever. Standards to the rescue? GandCrab ransomware gang infects customers of remote IT support firms.
At least managed service providers forgot to update a plugin back in and are now vulnerable to attacks.
An errant debug switch in 10.7.3 could expose encrypted data for some Mac users.
Employees do not mentally start their work year until Valentines Day. Even the most highly motivated employees report they are disengaged at work according to a new report. Microsoft is readying a 'Pro' version of its Forms survey product. Microsoft is continuing to give its business users more analytics capabilities. This time, it's via a new survey product called 'Forms Pro,' which is rolling out in preview form. Emery explains the severity of the issue: My Profile Log Out.
Add Your Comment. Security Anonymous attacks Ukrainian government after Demonoid bust. Security Wikileaks has been under DDoS attack for the last five days. Security Demonoid owners under criminal investigation. Security Reuters was using old WordPress version when it was hacked. Please review our terms of service to complete your newsletter subscription. You agree to receive updates, alerts and promotions from CBS and that CBS may share information about you with our marketing partners so that they may contact you by email or otherwise about their products or services.
You may unsubscribe from these newsletters at any time. Next Windows update brings better Linux integration The Windows 10 April Update boasts many improvements, not least of which is Windows Subsystem for Linux's new ability to let you access Linux files safely from Windows.
Microsoft just made Windows 10 updates a little easier to understand Microsoft once again changes definitions of Windows 10 updates, but it should make life simpler. Opera desktop browser gets a new look, dark theme gets darker Opera shuffles around buttons in its forthcoming release with re-design inspired by photography. Data integration issues still impede digital progress, survey shows Survey says data integration is more of a struggle than ever. There is also an additional unlock method available called Institutional Recovery Key. These recovery keys are created when system administrators enable FileVault 2 encryption with FileVaultMaster.
This method requires additional steps to activate, and is typically used in organizations with centralized keychain management.
This is a binary key. Note that it is no longer possible to run a FireWire attack on locked or sleeping Macs due to Mac OS X security restrictions, so the RAM capturing tool must be executed on a running computer with FileVault 2 container unlocked and a user logged in. Once FileVault 2 is enabled, the system creates and displays a recovery key.
According to http: The user has an option to store the key with Apple.
OS X plain text password flaw has been around for 3 months and counting
While brute-forcing a bit key seems easier than attempting to brute-force a bit key, the security of a bit key is still enough to make the attack unfeasible. The backup key can be extracted, processed and converted into a binary bit XTS-AES key that can be used to decrypt the volume. We are currently finalizing development of a tool for extracting and using FileVault 2 recovery keys to mount FileVault 2 volumes. Recovery original password: Elcomsoft Distributed Password Recovery.
When setting up a FileVault 2 volume, you may be prompted to enable other user accounts to unlock the encrypted volume:. If this is the case, each user must type their password before they will be able to unlock the disk.
Mac OS X Security Flaw Exposes Passwords in Plain Text
If new user accounts are added after FileVault 2 encryption is turned on, they are automatically assigned the correct access rights. Understanding this scheme is very important from the forensic perspective. This is especially true if the computer was used in a household with kids who tend to use much simpler passwords.
In order to unlock an encrypted volume, you will need to use the original plain-text password. Passwords cannot be extracted from a Mac OS X computer; you can only extract password hashes. In order to recover the original plain-text password, you will have to run an attack using a specialized tool such as Elcomsoft Distributed Password Recovery. With recent update, Elcomsoft Distributed Password Recovery gained the ability to attack plain-text passwords in addition to user account passwords protecting disk volumes encrypted with FileVault 2.
You can choose between dictionary attacks with various mutations and GPU-accelerated brute force. Since attacking a password can be lengthy business, Elcomsoft Distributed Password Recovery can utilize multiple computers to simultaneously attack passwords. Elcomsoft Distributed Password Recovery can recover passwords for popular disk encryption containers. Option 1: Enter the recovered password when prompted. Option 2: Launch Terminal and use the following command line to mount the disk image:.
More information on FileVault 2: This entry was posted on Wednesday, July 27th, at 9: You can follow any responses to this entry through the RSS 2. Both comments and pings are currently closed. Who does that? Mine is 17 digits, upper and lower case, numbers and symbols, randomly selected. We need to be careful and not assume our password will always be the last one guessed. I always hark back that someone wins those million dollar lotteries without buying million tickets, so passwords can be guessed or brute forced.
Good job on your password Chuck! You dont Say something about that. It might be interessting.
Or is the maximum per second on filevault 2? Hi Ist possible to Speed up with a Tesla K80? Best Regards. Hi My ex wife, so i found out recently, was committing fraud via her Mac book Air a year ago.
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I remember her talking about encrypting her laptop but I never took any notice. The fraud is pretty serious and I cannot get access to what i believe is incriminating evidence. Is there anything that I can do?
Sorry, do you mean that the laptop in question is protected with FileVault and you need to recover the password?