Questions tagged [root]

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2
votes
2answers
149 views

How do I gain root access to a system using a setuid root binary?

Assuming that I have no ability to use sudo and rather limited permissions, but I have a shell script exploit that allows to me change the file ownership of a file to the current user by running a ...
1
vote
0answers
67 views

SECURITY VIOLATION: Root login attempted - Which password is affected?

Logwatch shows that proftpd was tried to be logged into using root 0.0.0.0 (111.254.68.221[111.254.68.221]) - SECURITY VIOLATION: Root login attempted I found: Normally, proftpd does not allow root ...
2
votes
0answers
261 views

What are the security risks of running QEMU/KVM as root?

Context: I own a machine; I trust root and all the accounts. I virtualize untrusted guests using KVM, and don't want them to escape. When /dev/kvm has the right permissions, non-root users can run KVM ...
0
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2answers
176 views

How do I access a website on my phone without it being able to determine that it was accessed from the same phone and location?

How is it possible to create an account in a website with completely different credentials without the website being able to link the user of the first account and this new one? Tor is not a viable ...
0
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0answers
35 views

SOC2 and the CentOS root user

One of our customers has the following requirement: according to SOC2 they need to block access to the CentOS root account. They mean any access, even with su root or sudo su. We have blocked the SSH ...
1
vote
0answers
75 views

Can an SSL certificate be signed by two issuers at the same time? [duplicate]

Can an SSL certificate be signed by two issuers at the same time? Let's take an intermediate certificate as an example. It is usually signed by a root. A root certificate is often self-signed. In my ...
0
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1answer
86 views

Does sudo ever de-escalate privilege while the program/command/service is running?

For Example Is it safer to do: $ sudo [cmd] [args] [enter user password] or $ su - [enter root password] # [cmd] [args] I always assumed they are the exact same thing, because sudo utilizes ...
1
vote
1answer
145 views

Can not setting password for root when installing linux be exploited?

Recently I've been thinking about how I installed my linux system (I went for debian). When I installed it, I chose not to enter password for root and only entered password for my user account. My ...
-1
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1answer
37 views

MAC OS full admin rights and software removal in a corp environment

We have MAC OS for our developers (running with root). We also deploy an DLP endpoint agent. Now what happens, in some cases they just sudo and uninstall the agent because it slows down the machine. ...
1
vote
1answer
488 views

Self Signed Certificate in Certificate of Chain [closed]

I setup an internal Root CA with another Intermediate CA, which will issue and sign the certificates for other internal servers. When I did the "openssl s_client -connect :443" it shows the error ...
0
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0answers
55 views

Sufficient to only require 2FA for su elevation?

I have a small web-facing server on my home network. It is headless, and the only way to log in is to ssh with pubkey authentication from within the local network. I wanted to turn on a 2FA ...
2
votes
3answers
188 views

Do I need to worry about vulnerabilities that require administrative privileges to exploit?

I am currently evaluating the impact that the recent NUC Firmware Advisory has on our machines. What confuses me is that fact that those vulerabilities are scored with a high risk score, but require(...
0
votes
0answers
75 views

Government Root CA installed on computer/browser and Man-In-The-Middle [duplicate]

Some countries already have their government Root CA installed on computer/browsers. Is it possible for these countries to read Google etc. mails by using Man-In-The-Middle or similar technique(s)?
32
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2answers
5k views

Ability To Change Root User Password (Vulnerability?)

I am studying for my RHCSA exam, and one of the topics is the ability to "change a forgotten root user password." This is an official exam objective and even has official Redhat documentation. How ...
5
votes
1answer
130 views

How can a bad process obtain root by waiting for a user to run a command as sudo?

A comment on this answer states: The whole linux desktop provides very little protection against bad processes running as the user. A bad process could just watch the keyboard input and wait for ...
0
votes
1answer
76 views

Employer Self Signed Root Certificate

I don't have knowledge into programming/cybersecurity so I stumbled upon this site and figured I'd ask a quick question. I worked for about 3 years at company and left as of last week. I don't know ...
1
vote
1answer
159 views

Using SUID program to avoid having entries in sudoers

Well, I've done a lot of reading and documentation around possible exploitation of sudoers files and SUID programs, but don't have a deep enough knowledge to pick up the wisest possible solution for ...
0
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2answers
403 views

Is the root certificate issued from one Certificate Authority is same for all the requesting organisation?

Let me please explain the question a bit more through an example: There are lots of companies who have their certificates signed by Verisign (or any CA). I understand that Verisign signs these certs ...
2
votes
1answer
47 views

What is the impact of leaving disabled root key on AWS instance?

I have a user which, when asked to create an IAM root user account, left the now disabled root key on the instance. When asked to remove the root key, he said it's disabled now so what's the ...
0
votes
3answers
5k views

Leveraging curl to spawn a shell

So I'm doing a HTB challenge where I have leveraged the targets box use of reading a file that sets a url for curl in order to transverse down the directory and display the root flag in a report that ...
1
vote
1answer
43 views

Does it make sense to check command integrity after running it as root?

The other day Dave was hurrying for his project at night. He wanted to install homebrew on his Mac. He typed "homebrew" in Safari search bar, pressed return, and clicked into the first link. He copied ...
64
votes
4answers
13k views

Are most Linux systems that allow non-root users to execute code straightforwardly rootable?

long story short if you can execute code on a box it is usually straightforward to get root (quote source) The immediate implication of this quote (if it's accurate) is that if you're running a ...
35
votes
8answers
12k views

Why do companies not give root access to employees on their desktop machines? [duplicate]

Why do companies typically not give their employees root access to their desktop machines that are only used by a single employee? If what I can do on my machine poses a threat to the rest of the ...
1
vote
2answers
245 views

Is an unencrypted log in android's storage considered insecure?

I'm currently checking the logs an Android app creates. There, I found an interesting entry: In android's /data/data/app.being.checked/cache/ok_http_cache_dir There are quite a lot of files and ...
-4
votes
1answer
144 views

Reason behind Chrome not running in root user in kali Linux?

Why does Google Chrome not run as root user by default in Kali Linux? Is it a security issue?
1
vote
2answers
408 views

Add main user account to docker group

I recently installed ubuntu on my home system. As I am going to mainly use it for machine learning research, I tried to set up a python environment. I tried doing this with docker to make things ...
4
votes
1answer
2k views

How to add a custom CA to androids trusted root system folder

As of Android 7.0 no custom certificate will be used by android apps. App developers need to specifically write codes and change app settings to follow a custom CA. But this is difficult while ...
1
vote
2answers
92 views

An application started by the root user has root privileges?

I'm starting node.js on my server. I have to start the node.js HTTP server as root, because it will listen on the port 80. Once i start the node.js on port 80, if a person is able to execute some code ...
3
votes
2answers
740 views

Where to get all the root CA certs?

Is there a common place where we can download all the root CA certs and get frequent updates for changes? This is one place where we can find the CAs, but we need to keep on checking for the updates. ...
2
votes
2answers
264 views

Can root user have access to MySQL data?

Having MySQL using auth_socket as default authentication mechanism for the root user scares me, so I change it to password authentication with rigid controls on password quality and documentation. If ...
-1
votes
2answers
131 views

Is it dangerous to turn on internet connection under su -c?

If someone would turn on internet connection using command su -c "/sbin/ifup ppp1" would it put system at risk (how bad) ?
0
votes
1answer
612 views

Why do some root and intermediate certificate authorities have “G2” or “G3” in the name? [duplicate]

I have noticed that some root and intermediate CAs have things like "G2" or "G3" in the name. For example, take the certificate for amazon.com. The intermediate CA is DigiCert Global CA G2, and the ...
0
votes
1answer
61 views

Possible Security threats and mitigations while accessing `/root` through any browser?

I asked this question on Unix Stackexchange. How to access /root directory from a browser? I got an answer (in a comment by @dsstorefile) that It can be accessed either way : By running chmod 0777 ...
1
vote
0answers
209 views

SUID not executing as root [duplicate]

I am trying to learn about SUIDs and have run into bit of a stumbling block - I have a ubuntu 16.04 system. I have set a few default binaries such as vim, find et al. to have SUID permissions as ...
4
votes
1answer
183 views

How to properly protect /home with separate user accounts on Linux

A great quote from this InfoSec stackExchange thread. The way to prevent malicious code from damaging files in your home directory is to not run it using your account. Create a separate_user ...
2
votes
2answers
1k views

Privilege Escalation Wordpress

I have access to a Wordpress blog and want to read the server's /root directory that belongs to the user "root" and not "www-data". I also know his password, but I can't open an interactive shell to ...
8
votes
3answers
530 views

How do I create an invisible and persistent user on linux?

For my software security class we are required to hack into a server created by our professor. I have hacked into the server, and have the password for the root user. Now that I am root, I would ...
0
votes
2answers
63 views

Prevent program from switching to user without password

I created a user with useradd without specifying a password. When I try to sudo -u theuser echo hi I am being prompted for my admin password (unless specified otherwise in the sudoers file, of ...
100
votes
13answers
14k views

Why is root security enforced but $HOME typically unprotected?

Coming from the comments in this question Why is it bad to log in as root?: The sudo mechanics is in use so non-administrative tools "cannot harm your system." I agree that it would be pretty bad if ...
0
votes
1answer
155 views

What could be done with web shell on unrooted android device?

Is it possible to control unrooted android device through a web shell? I've been trying to execute various php shells but the whole response is error statements like this php is installed and all ...
7
votes
3answers
595 views

Difference between root login and passwordless sudo

Cloud images of some popular operating systems do not let the user to log in as root, yet they use a very standard user name (for example ec2-user, ubuntu) and allow these users to use passwordless ...
2
votes
1answer
106 views

Downsides to SSHing from a root account to a less privileged account on another server

I know that SSHing to a server as root (i.e. so that you are logged in as root after connecting) has its downsides. My question is sort of the opposite. If I connect from a server as root to a ...
10
votes
1answer
13k views

Docker runs container processes as root - should I be worried?

I am running a (QNAP) NAS with Docker functionality ("containerstation"). I thought it would be a lot safer to install apps via containers instead of apps from the store (or 3rd party stores). Many ...
2
votes
1answer
55 views

Enterprise software in which later versions have security vulnerability

Scenario : You are presented with a CVN which details that a piece of common software that you run with root privilege has a vulnerability that allows a non-privileged user to create or overwrite any ...
0
votes
1answer
371 views

What the risks of rooting your Android? [duplicate]

Besides your warranty getting voided, what potential security risks are there with rooting your Android?
5
votes
2answers
2k views

Preventing users from bypassing root/jailbreak detection measures

A pentest was made to our mobile app (Android and iOS version) and we received feedback stating that jailbreak/root detection was ineffective because it was relatively easy to reverse engineer the ...
2
votes
1answer
151 views

sudo -u <user> <cmd> vs sudoedit

I have read on the internet that you have to use sudoedit instead of sudo vim. I understand why this is and should be used so you can't just edit root-user files. However I would like to manage a ...
0
votes
3answers
982 views

Root access without password

I know it's strongly advised against enabling root access on server but as cracking SSH keys is almost impossible can I enable root access just by using ssh keys and be safe? My OS is Ubuntu 16.04. ...
1
vote
0answers
34 views

Are unique root certificates required to have different subjects?

I've heard that in the X.509 world, the certificate subject attribute is supposed to be unique... and that if someone has multiple trusted roots with the same subject (but still different in other ...
2
votes
1answer
186 views

No password root accounts of an entire laboratory!

2 days ago some of the university staff asked me about 3 computers here. All the computers are using Ubuntu and have the exact same password on the login screen for the superuser. Let's say StackPa$$...