5
votes
2answers
397 views

It is safe to share a wireshark file?

I wanted to share a wireshark of my file, because it may help with some problems i'm having but i need to know if it is safe, or if could reveal sensitive data about me, the only IP's i see are my ...
4
votes
4answers
519 views

Can my phone be affected by malware through mobile phone signal?

My phone is newly bought. Can a hacker actually scan the mobile phone signal around me, detect it, and put virus/malware into my phone THROUGH the mobile phone signal of my mobile service provider? ...
0
votes
1answer
574 views

How do I import a GnuPG private PGP key into Symantec PGP commandline?

I am trying to import a private PGP key into Symantec PGP command line that originated in GnuPGP (1.4.11 AIX) into a Windows system. When I do a pgp --import private.asc, then do a pgp --list-keys ...
1
vote
2answers
97 views

Is it secure to split information into multiple packets?

I just stumbled upon this SO question. I was wondering if it would be still secure to split the encrypted packet into multiple packets, which are then transferred over the wire separately. Could ...
2
votes
2answers
2k views

No HTTPS on credit card entry form - can it be safe?

I was going to make a purchase on a website, but the page containing the credit card entry form is served via HTTP and not HTTPS. Is it definitely unsafe? The website advertises the use of ...
8
votes
2answers
581 views

Are there any filesystems that have secure deletion as a feature?

There's many 3rd party tools people have designed to perform secure deletion, but I don't know of any filesystems where secure deletion is built in. In fact, secure deletion has to work around ...
1
vote
2answers
2k views

What kind of vulnerability it may have for known ssh-hostkey?

I saw there is NSE script in nmap that can retrieve the ssh-hostkey(RSA or DSA) from the target host. For example, 22/tcp open ssh | ssh-hostkey: 2048 ...
6
votes
2answers
142 views

Why is HTTPS seemingly so infrequently used internationally (Asia)?

I've recently had the privilege of doing some traveling internationally, and I noticed that (particularly in Asia) HTTPS is very infrequently used, even on government and educational websites where ...
2
votes
2answers
7k views

MS08_067 with Metasploit [closed]

I'm learning how to use Metasploit. I'm using VirtualBox to run a VM with Kali Linux (192.168.56.101) and another with Windows XP SP1 (192.168.56.103). The two VMs can ping each other and Windows ...
2
votes
2answers
294 views

Is there any security concern to host Wordpress on the main web server?

We have been hosting our Wordpress blog on a Linux virtual box, and our main web application on an IIS server. Our website is www.mainsite.com and the wordpress is on www.blog.mainsite.com. Now there ...
1
vote
0answers
66 views

Execute form environmental variable while stack is not executable

Strange thing happened. I created EGG=NOPs + shellcode. Then i get the address of EGG; I made buffer overflow and jumped to it and get the shell(address of shell is the second parametr). How is this ...
0
votes
1answer
213 views

How to store passwords to a remote web site?

Say I want to build a public API to access a website that doesn't have one. The website is protected by a standard username/password scheme and the API implementation will use scraping to get the data ...
1
vote
2answers
386 views

Running tails on a corporate computer

Is it safe to run TAILS on a corporate computer? I mean a corporate computer that has hardware cryptography and probably some backdoors; and, by safe, I mean that nobody will be able to recover what ...
1
vote
0answers
68 views

Setup local Certificate Authority & integrate with SCEP

I want setup local Certificate Authority and issue X.509 certificates under my CA. In order to achieve this I am exploring following options such as: OpenSSL/OpenCA BouncyCastle Cryptographic APIs ...
0
votes
1answer
123 views

SELinux ignoring /etc/sysconfig/selinux directive

I'm running SELinux on CentOS 6.5. In /etc/sysconfig/selinux I have set SELINUX=permissive. But everytime the system starts, sudo getenforce shows SELinux as Enforcing. What could be causing it to go ...
18
votes
6answers
4k views

Can SQL injection lead to remote code execution?

Is it possible to execute some code (e.g. PHP code on a PHP-based web application) on the server through SQL injection? If yes, how exactly? I understand that un-escaped field can lead to SQL ...
3
votes
1answer
127 views

PKI - Why Root CA is in intermediate CA section?

I can't understand why, when I accept to "install" a custom self signed Root CA on IE browser, the root certificate ends up in the "intermediate CA" section, rather than in "Root CA" section in the ...
-4
votes
1answer
111 views

Book about security in web applications [closed]

I'm new to security in web applications.I have searched in amazon but I was unable to find a book for today's technology. As far as I know HTML5 comes with a few new attack vectors, most of the books ...
5
votes
2answers
10k views

What's the use of challenge password in build-key-server and build-key from Easy-RSA?

All the OpenVPN/Easy-RSA tutorials that I've found, advise to setting an empty challenge password while building the key for the OpenVPN server. Anybody knows why? What's the intended use for the ...
1
vote
0answers
100 views

DNS poisoned cache does not have any effect [closed]

I try to reproduce the attack, revealed by Dan Kaminsky in 2008, to poison DNS cache. I made my own virtual network, and all I do is confined within. The poisonning seems to work. But is doesn't. ...
1
vote
1answer
410 views

Import certificate into Windows key store [closed]

I am using nShield HSM for signing with MS application/pdf and my own .Net Application. My steps for your information: Create PKCS11 key pairs Create a MSCAPI container Import PKCS11 key into the ...
2
votes
1answer
183 views

Will 3rd party antivirus/antimalware programs compromise OSX's built-in security?

There is a very interesting post written by @TechZen. Here's the excerpt from the original post (bold emphasis mine) Should I get an antivirus for my Mac? There's never been a an actual Mac OS X ...
1
vote
0answers
97 views

Right security architecture for SQL Server access in a distributed Windows-based system [closed]

I am designing a software product for which multiple SQL Server databases will be accessed by multiple applications residing in different Windows environments. Some of the environments are process ...
3
votes
1answer
476 views

Which manufacturers who make BadUSB possible on their drives?

So as we all know by know BadUSB is possible on Phison 2251-03 chips. But are there any more reflashable devices in the wild that could be dangerous? And if there are is the firmware easily changed or ...
3
votes
2answers
213 views

How to securely install software on Ubuntu?

How to install a software like Sublime Text on Ubuntu 14.04 LTS and mitigate against a MITM attack? There is a PPA available, but the PPA must be added manually. I don't see any PGP keys or MD5 ...
74
votes
3answers
74k views

Now that it is 2015, what SSL/TLS cipher suites should be used in a high security HTTPS environment?

It has become quite difficult to configure an HTTPS service that maintains "the ideal transport layer". How should an HTTPS service be configured to permit some reasonable level of compatibility while ...
2
votes
1answer
169 views

Can TLSv1.0 ciphers be used with SSLv3?

Can TLS cipher, such as TLS_RSA_WITH_AES_256_CBC_SHA, suites be used within an SSLv3 connection? For example, say the client and server both support TLS but the connection is downgraded to an SSLv3 ...
10
votes
3answers
6k views

What is the need and purpose of packet injection within WiFi attacks

According to my research, the most common WPA/WPA2 WiFi attack requires a chipset capable of packet injection. However I am not sure what this is, and what purpose it serves once you have the ...
4
votes
1answer
8k views

Get WPA-Passphrase from HEX key and SSID?

Using this as an example for WPA key calculation (link): Network SSID: linksys54gh WPA passphrase: radiustest Hexadecimal key: 9e9988bde2cba74395c0289ffda07bc41ffa889a3309237a2240c934bcdc7ddb ...
2
votes
3answers
111 views

Verify client-side created data

I have a Java applet, which records the whole screen of the user and uploads the images to the server. If one would be able to (and many people could, I know) falsify the screen recording they could ...
6
votes
4answers
255 views

does using a long delimiter multiple times degrade encryption security?

I need to condense multiple distinct pieces of data into a single encrypted string that can be decrypted and separated out later. Before encrypting, I need to separate the data with some kind of ...
3
votes
3answers
422 views

What is the security value of this on-the-fly SRP user registration?

I am currently implementing SRP on a game I am developing. However, I will be distributing this game server and client, so I would like registration to be allowable on-the-fly, without requiring the ...
3
votes
1answer
367 views

Can a Windows or Linux password be brute-forced on a public network?

I am at a hotel that has a public network. I have a Windows machine with a wired connection to it. "Network and Sharing" has network discovery on. No folders are shared except "Users", which is shared ...
4
votes
1answer
186 views

Database Security

Would having the IP address and name of my database visible to the public be a security risk? I have hosting with godaddy, a shared hosting plan. When I connect to my DB, via MS-SQL-MS, I can see the ...
2
votes
2answers
274 views

Reasons to encrypt filenames on cloud backup

I use a cloud service for my off-site backup, and all my files are encrypted. But I am wondering whether to enable filename encryption or not. Are there any security advantages to be gained by ...
2
votes
1answer
66 views

Spoofing of Server Sent Events

In the spec for Server Sent Events, it says Authors should check the origin attribute to ensure that messages are only accepted from domains that they expect to receive messages from. Otherwise, ...
-1
votes
2answers
357 views

Is JavaScript console vulnerable to XSS

Assume the content of the name variable below is controlled by an attacker. Is this line of code vulnerable to XSS? console.log(name) When I send an injection in name variable I see its value ...
1
vote
2answers
1k views

How to fake a browser fingerprint?

I'm developing a browser based on Google Chromium and keeping in mind that privacy is freedom; but I need to know how to protect my browser's users against fingerprinting. I was thinking about ...
1
vote
1answer
202 views

Email account password change via email-to-script

I host a mail server (postfix and dovecot) and I wish to set up a password change feature (especially useful when creating a new address provided with a temporary password). Does my scenario has ...
4
votes
2answers
289 views

What exactly is a subkey?

I fairly understand the math behind RSA, Elgamal, AES, SHA but not how things are used in practise. How are subkeys different from master key? I understand its purpose from various websites but How is ...
5
votes
1answer
520 views

Should I install my subordinate Certificate Authority on the domain controller? Why?

I must install a PKI in my organization. I work in a windows environment. I already set an offline CA. I must now install a subordinate CA. I have the choice between installing the subordinate CA on a ...
2
votes
1answer
54 views

TOOL-BARS: How do toolbars manage to insert new settings on to the users computer when legitimate programs can't/won't do it?

I accidentally installed Ask Toolbar, and it changed my Homepage,Search engine and added some extra stuff. It did all this without alerting Google Chrome! But when I try to install a legitimate ...
0
votes
1answer
435 views

How is Thread local storage used by malware/Virus?

I have been told that code in TLS is run before the entry point of an exe is reached ,so if one puts a breakpoint on this TLS address he/she could debug the behavior of the virus.Can Fiber local ...
2
votes
1answer
829 views

Arduino to Android secure bluetooth connection

I'm using an Arduino Uno and a nRF8001 board from Adafruit to connect to an Android phone over bluetooth. I will be using it to lock and unlock a lock and I need to make sure only verified devices are ...
1
vote
1answer
40 views

What account should be used to install SQL Server 2008 patches?

The company I work for is currently going undertaking a project to remediate (among other things) a pen-test finding that a privileged domain-level account (which was compromised by the pen-testers ...
6
votes
2answers
458 views

Identifying an ongoing exploit?

Recently I was contacted by a person saying that they had found a vulnerability in my site. They were able to prove it, by sending me a list of my own databases (some of which had been created but ...
-1
votes
1answer
270 views

How can I test my CAPTCHA's (or CAPTCHA-alternative's) effectiveness?

Are there any tools available to test the effectiveness of user Turing tests such as CAPTCHAs or honeypots, without intentionally getting the site targeted by spam bots? Or, do I simply have to ...
3
votes
2answers
170 views

How does infection through web surfing work?

Often I read about compromise due to visit a malicious site which download some exploit to your computer. I've never seen a detailed process, all books/tutorials I read just say sentences like "once ...
0
votes
1answer
127 views

is copy pasting sudo password from opened document a possible vulnerability?

During setup of my ubuntu systems after installing the system offline i open a textfile and change my sudo password by typing it into a textfile and paste it after so that i don't lock myself out by ...
-2
votes
1answer
73 views

Decryption of data [closed]

Apparently, for privacy I have encrypted data on my mobile. A few pics (family ones). This I did through ES File manager, was using AppLock previously but encountered a few errors for storage so I ...

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