Unanswered Questions

5,997 questions with no upvoted or accepted answers
13
votes
2answers
2k views

What unique fingerprinting information can an iOS 10 app collect?

As a follow-on to these questions: What unique fingerprinting information can an iOS7 app collect? What unique device fingerprinting information can an iOS8 app collect? What unique device ...
10
votes
0answers
2k views

TPM PCR value unchanged with BIOS configuration changes

I have been experimenting with the TPM on a Dell R710 (BIOS version 6.3.0). My goal was to detect changes to BIOS settings through TPM PCRs. The research I have done leads me to believe that BIOS ...
9
votes
0answers
2k views

Is allowing blob: in Content-Security-Policy a risk?

Recently, I've set Content-Security-Policy headers for my web application. I've tried to be as strict as possible. What strikes me most is the fact that I had to allow blob: for connect-src and img-...
8
votes
0answers
296 views

SolarWinds Orion SAML compromise mass cert update

SolarWinds Orion customers have suffered some network compromises according to news reports. One report says, right at the end of the article, that SAML2.0 signing certificates may have been ...
8
votes
2answers
217 views

SAML 2.0 Multiple AuthnStatements

If I interpret the SAML 2.0-protocol correctly you can have multiple AuthnStatements. What is the purpose of this? I cannot see a use case of having multiple AuthnStatements really.
8
votes
2answers
1k views

Are there regulations that govern how social security numbers are stored and viewed?

I'm working for a client that keeps records of social security numbers in their databases, numbers pulled from screenings and automatically captured from companies and other financial data. A few ...
7
votes
0answers
157 views

PGP security with Thunderbird 78 email client

I have a query regarding best practise of using PGP to sign emails with Thunderbird 78. Thunderbird 78 took an existing system by Enigmail and brought it "in-house" to be built into the ...
7
votes
1answer
301 views

How can I exploit a Buffer Overflow on a Raspberry Pi 4?

I am trying to exploit a bufferoverflow on raspberry pi 4 which makes use of Cortex-A72 (ARM v8) 64-bit SoC. The linux kernel version is v4.19 and the OS a Debian Buster compiled for the raspberry pi ...
7
votes
1answer
246 views

Recovery of EEPROM data after bulk erase operation

I am aware of research which shows that a single (or sometimes double) random overwrites on a magnetic hard drive is enough to ensure data is not recoverable, but is there any research into the ...
7
votes
1answer
1k views

TCP Sack panic proof of concept?

For the vulnerability called TCP SACK panic([1], [2], [3], and many more): is there a proof of concept code out there that can be used to test vulnerability status and effectiveness of remedies? [1] ...
7
votes
0answers
618 views

What is the difference between TEE and HSM in Android Pie?

Android has the concept of hardware backed security as TEE and in latest Android i.e., Android Pie devices can have a HSM (Strongbox). What is the actual difference between TEE and HSM? Does ...
7
votes
1answer
974 views

Where to put a code signing server with EV code signing certificate and plugged-in HSM

Microsoft recently started enforcing apps to be signed by EV code-signing certificates instead of just regular certificates. These usually come on an external device such as USB smart card or a HSM, ...
7
votes
0answers
1k views

Using the authorization code grant without using cookies?

I've been reading up on this for months and it seems like the whole thing could converge on what I'm summarizing below. I'm trying to arrive at the most ideal: OAuth2 OpenID Connect SPA / Mobile ...
7
votes
1answer
3k views

Meterpreter (Metasploit) anonymous reverse connection over Tor2web

The general consensus seems to be that one sets up a listener on a server accessible by a public IP and some port forwarding. For anonymity this should be a throw-away server or a hacked box. I've ...
7
votes
0answers
241 views

How to determine the number of characters changed between two passwords as per DISA Application Developer STIG rule SV-84187r1_rule?

The DISA Application Developer STIG specifies: Group ID (Vulid): V-69565 Rule ID: SV-84187r1_rule Rule Version (STIG-ID): APSC-DV-001730 Rule Title: The application must require the change of at ...

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