Unanswered Questions

6,072 questions with no upvoted or accepted answers
14
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 ...
12
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 ...
10
votes
0answers
3k 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-...
9
votes
0answers
328 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 ...
9
votes
0answers
214 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 ...
9
votes
0answers
2k 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 ...
9
votes
2answers
242 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
1answer
439 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 ...
8
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] ...
8
votes
1answer
1k 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, ...
8
votes
0answers
516 views

Entropy sources used by modern Windows

A comment on a Microsoft blog from 2005 mentions over 150 sources of entropy for the Windows CryptGenRandom function. The majority of sources come from low-level system information (precise stat ...
8
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 ...
8
votes
0answers
281 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 ...
8
votes
0answers
272 views

Penetration-resistance of a HaLVM unikernel

A HaLVM unikernel is a Haskell program compiled with a modified version of the Glasgow Haskell Compiler to produce a standalone Xen kernel, which will boot on any Xen PV machine instance. A HaLVM ...
8
votes
1answer
565 views

IPSec Host-to-Host VPN (RedHat) needs IP Forwarding?

We would like to build a Host-to-Host IPSec VPN (both RedHat Linux). Is it really mandatory to activate IP Forwarding which is by default deactivated because of our security policy (/etc/sysctl.conf ...

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