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Unanswered Questions

5,725 questions with no answers
14votes
0answers
696views

PGP security with Thunderbird 78 email client

I have a query regarding best practice 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 ...
11votes
0answers
451views

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 ...
10votes
0answers
1kviews

How does Facebook Pixel's new first-party cookie work?

Facebook recently announced that they will begin offering a first-party cookie option for the Facebook Pixel. Previously, they only used third-party cookies. From their documentation: You can now use ...
10votes
0answers
448views

Authentication using SysRq

The general idea here is the feasibility of adding Windows UAC-like "consent prompts" to a Linux system, designed in such a way that cannot be bypassed in software. Giving consent should ...
9votes
0answers
2kviews

How could I block or at least detect the use of ultrasonic side channels or Google Nearby Messages API on my smartphone?

My question is about the use of ultrasonic messages that are part of the modern advertising ecosystem and are also used by the Google Nearby Messages API. When it comes to advertising, the type of ...
8votes
0answers
481views

Whats the meaning of ] symbol in a SQL query?

I have come across a CTF challenge that has a part with an SQL injection (MySQL DB). I have completed it, but I do not know why or how the injection works. The query in the PHP application would ...
8votes
0answers
6kviews

Running openssl s_client with an aes encrypted key fails

I'm trying to verify a 2-way SSL connection using the openssl s_client command openssl s_client -connect localhost:8883 -CAfile ca.pem -cert client.crt -key client.key The openssl s_client fails ...
7votes
0answers
243views

Teamviewer Risks When Connecting to Another Computer

Are there any risks to be aware of if you remote into another person's computer via their Teamviewer Partner ID and password? Any recommended settings to choose when remoting into an unknown computer? ...
7votes
0answers
3kviews

Can XXE be exploited when disallow-doctype-decl is set to true (Apache)?

I found out that an endpoint of a website may be vulnerable to XXE. It is using Unmarshal as an XML parser. When I try to send a post request using common XXE payloads, I receive the following ...
7votes
0answers
582views

Can SRP be implemented using libsodium

I am using libsodium for cryptography and I want to use SRP for key exchange. The wikipedia page lists a python example, but I am not sure if and how I could convert this to libsodium function calls. ...
6votes
0answers
3kviews

How to bypass certificate pinning in Android phone?

I am working on analyzing Android applications from my phone using MITM Proxy. My Android phone version is 4.4.2, SDK is 19 and its rooted. I have performed all WiFi configurations required for MITM. ...
6votes
0answers
239views

What security isolation exists between VDI instance to VMware Horizon to ESX?

I read about malware that was able to escape the VM and get to the VMware Horizon host and then to hypervisor ESX, but I am not sure what security controls exist to prevent malware from jumping to ...
6votes
0answers
476views

Recent Pwn2Own baseband exploit

I've just stumbled upon the Pwn2Own Mobile news from three days ago. During which apparently several flagship mobile phones of several manufacturers have (again) been successfully zero-dayed, among ...
6votes
0answers
658views

Why are banks largely absent from the HSTS preload list?

There seems to be widespread support for the idea that election-related websites, of all things, should be resistant to man-in-the-middle attacks. The secret ballot makes detecting and recovering from ...
6votes
0answers
685views

Do I need to use SAML and JWT for auth in SSO web app?

I am new to SAML authentication process so I am just trying to figure out if I understand it so I can try to integrate my web app (Angular/Nodejs) to an existing portal that currently uses SAML as ...

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