Security for 802.11 wireless networks.

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1answer
569 views

wireless: Jamming or interference? [closed]

I'm currently in a hotel trying to access the internet through the wireless offered by the hotel. WPA2-Personal network, password consisting of 16 numbers. Connecting to the wireless works fine, ...
1
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0answers
110 views

Turn Binary Data into Airborne Packets? [closed]

Are there any software libraries and/or wireless drivers that make it possible to turn a sequence of binary data into a wireless packet in the air? For example, if someone used Airpcap/Wireshark to ...
5
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4answers
3k views

MDK3 warns about WPA2 downgrade - how do I find the key in Wireshark?

While stress testing my router using MDK3, I got the message "REALLY BIG WARNING!!! Seems like a client connected to your target AP leaks PLAINTEXT data while authenticating!!" I viewed the tool ...
2
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2answers
905 views

Low level attacks on WLAN/LAN connection while connected to VPN

Is it really secure to connect to a (well-secured) VPN server over an unencrypted WLAN connection (or maybe a hotel Ethernet)? I know, that there have been questions like this - but I'm not asking ...
2
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1answer
936 views

Airbase-ng & Metasploit the perfect pair

So if I am running an airbase-ng soft AP, I have several clients connecting to me. I can run metasploit against them once they are connected manually, but that is oh too much effort. Is there anyway ...
11
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1answer
2k views

Bypassing hidden SSID and MAC filtering “protection”

I was browsing over this question and had some follow up questions from a practical perspective. What tools will show the SSID of an AP with the SSID set to hidden or broadcasting disabled? I have ...
26
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5answers
5k views

Security impact of using a public password for free WiFi

We have a WiFi network that we want to be public and free. Does having a password that is known to everyone provide any additional security advantage to the people using this network as opposed to ...
2
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1answer
3k views

Should we block all plaintext authentication and require authentication over an encrypted channel?

Should we configure our servers to require the authentication happen over an encrypted channel and block all methods of unencrypted, plaintext authentication over? I recently configured my servers to ...
5
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3answers
1k views

What does WEP access point show during aircrack-ng attack?

I bought an old, used WRT-54G () which strangely enough, was running DD-WRT v24-sp2. Weird what turns up at yard sales. I want to try the "aircrack-ng" WEP cracking procedure on it. The criteria ...
6
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4answers
1k views

How can one defend against DoS attacks at the physical layer?

Of course, there's always the odd issue of old microwaves and wireless telephone handsets interfering with Wi-Fi performance. And, in many areas, there's a fair chance that you're going to have to ...
2
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1answer
3k views

What kind of wifi network does not have any protection and yet it's not an open network?

When I browse thru the list of wifi networks in my neighbour, I see a couple of unprotected networks (with no wpa/wpa2 or wep protection). When I try to connect, I cannot. These networks belong to ...
7
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1answer
15k views

Is my router vulnerable if WPS is enabled but WPS pin code is disabled?

I was reading about Reaver and wi-fi protected setups (WPS). In my Netgear router I have the option to disable the WPS pin code, but still have the WPS push button enabled. Am I secured with such ...
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1answer
211 views

Insecure community network connection problems [closed]

I live at an apartment complex which provided free wifi. My problem is I cannot get a good signal in my bedroom. In the living room my desktop (with a wifi Rosewill PCI-e adapter) gets an excellent ...
3
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2answers
213 views

How can I tell who's using my cookie information on an open LAN?

I think someone is using my cookie info to log into my Facebook account on a public Wi-Fi network. How can I determine if this is happening and from what IP address?
2
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1answer
13k views

Why it does not matter whether you type HEX or ASCII as WEP WiFi password?

I know that I can pass password in HEX as a keyphrase to WiFi network using WEP encryption as well as ASCII. But somehow you cannot get the ASCII when you only know HEX value. Can anyone explain the ...
3
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0answers
114 views

How to find rogue access points? [duplicate]

Possible Duplicate: Tracking down a rogue access point Rogue access points can pose a threat, when employees connect to them. What are some techniques that can be used to find these ...
2
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3answers
392 views

What are some good references discussing the pros and cons of a company Wi-Fi network for personal use?

I am a software developer at a company that currently does not allow associates to use personal devices at work (ethernet and guest wi-fi alike). This makes it very hard to work on side projects (like ...
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1answer
965 views

Testing my network using aircrack-ng not working

I an using Fedora 17 With Intel 5100 card. When I execute the command: [root@fedora user]# aireplay-ng -9 mon0 10:26:46 Trying broadcast probe requests... 10:26:46 Injection is working! 10:26:48 ...
0
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2answers
439 views

How to securely set up wifi? [duplicate]

Possible Duplicate: How to secure a WiFi network? It seems like a simple question but I've thought about this for a while and have done quite a bit of Google searching. There's a LOT of ...
9
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4answers
587 views

How should I tell an organisation that they are vulnerable when I wasn't given permission to check?

I was recently at a village hall (in the UK), some distance from where I live, for a party. I noticed that they had unsecured wi-fi with an SSID of NETGEAR. I assumed it was free wi-fi for users of ...
5
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7answers
2k views

What security risks exist in cell phone apps' data transfer?

Smartphones apps transfer various types of data over the provider's data network (or wifi, if enabled). What security risks are there in this transfer, and how can the risks be mitigated? I'm not ...
0
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1answer
5k views

Is this possible to use fake AP to get wpa keys? [duplicate]

Possible Duplicate: Is it possible to speed up WPA/WPA2-PSK cracking using a rogue AP? Is it possible to get the WPA preshared key with a fake AP with the same SSID ?
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3answers
2k views

How do I protect myself against 'hole 196'?

I came across this question a while ago and read about hole 196. Is there something I can install on my laptop to protect it against WPA2 Hole196? Software (such as Snort or DecaffeintID) can ...
4
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2answers
1k views

Giskismet query, how to select specific data?

I’m basically trying to get some stats from my war drive kismet database using giskismet but I’m finding it difficult to get specific data. Things I'm trying to do: Count how many wireless BSSID’s ...
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2answers
329 views

Is Wi-Fi Protected Setup still safe? [closed]

According to this paper it is cracked: http://sviehb.files.wordpress.com/2011/12/viehboeck_wps.pdf Using Reaver.
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3answers
2k views

HTML payload rewriting?

I read an article about some hotel injection ads to every webpage using some router: http://justinsomnia.org/2012/04/hotel-wifi-javascript-injection/ Would it be possible to do this with any existing ...
6
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2answers
9k views

The new CCMP attack against WPA/WPA2 PSK

The use of Counter Mode with Cipher Block Chaining Message Authentication Code Protocol (CCMP) for WPA/WPA2 PSK is being attacked. This is a trivial attack (offline brute force) against the initial ...
9
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0answers
2k views

The Dangers of Open Wi-Fi [duplicate]

I know that the first response to a question titled like so is "seriously?". I know the answers exists, but I am just trying to put everything together. Using and/or having an open Wi-Fi network is ...
5
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3answers
554 views

Why does switching to “n-only” help preventing attacks on WPS?

I just cracked the ap of a friend of mine (Linksys E4200) and we were looking for a way to rid him of the vulnerabilty. Unfortunately the E4200 does not disable WPS when you tell it to (via web gui). ...
2
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1answer
520 views

How can wireless router password encrypts data using WEP and WPA

How does the password that we enter (to connect to a wireless network) encrypt the data on the wireless network? Through my reading I am not sure if the password that we enter is the same as the ...
11
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3answers
5k views

Is it possible to get all the data I send through wifi?

Is it possible, that the network administrator (wpa2 wifi network) can log all the data the users send and then get password out of it? I know it is not possible to get the password if I'm surfing ...
6
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2answers
15k views

Detecting the presence of wifi devices

Is it possible, with a normal wifi adapter, to detect present wifi devices in the surrounding? Let's say, is it possible to detect an Iphone with wifi switched on in the range of my wifi adapter? ...
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2answers
1k views

How is WEP/WPA2 key derived?

When I was a kid, WEP had a 40 bit key. Later, they came out with a 128-bit key. But as we all know, WEP was so badly-designed that the RC4 key length didn't really matter much. Ignoring this, my ...
14
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9answers
30k views

Tracking down a rogue access point

Over the course of about a month we have received multiple reports of a rogue access point attempting to intercept traffic. I suspect an attacker is using a wifi pineapple, or similar hardware ...
9
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3answers
1k views

Public wifi security protocols

I should apologise first- this post could seem a lot to ask for, but I am starting to go around in circles. I am interested in securing my laptop for when I use public wireless hotspots, as I am a ...
9
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2answers
684 views

How to implement secure device identification in a for-pay wifi router to prevent usage fraud?

After reading this question about how for-pay wifi routers identify specific devices it got me thinking about what a secure alternative might be. I know that certain research has focused on ...
10
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3answers
7k views

Do my Android apps use TLS or other encryption when connected to public Wifi? How can I tell?

I have an Android phone. When it's connected only to my carrier's 3G network I imagine it's reasonably secure against eavesdropping (although not invulnerable). However, at times due to lack of ...
4
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1answer
1k views

Is a public known password protected Wifi more secure than one without a password?

When connecting to a public Wifi from a café for example, some don't use a password and some do. If they do use a password it is often publicly known to everybody around. Does having a password on ...
2
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3answers
6k views

intel wireless 5100 AGN adapter to support injection

i ran aireplay-ng -9 wlan0 and it seems that my intel PRO/Wireless 5100 AGN adapter does not support injection. i use Ubuntu 10.10 64bit (2.6.35-25-generic kernel). is it possible to make the adapter ...
26
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4answers
8k views

Are WPA2 connections with a shared key secure?

This is something that has been bugging me for quite some time: when I have a wifi access point with WPA2 encryption and I give out the key, how secure are the connections? With WEP you could easily ...
7
votes
2answers
7k views

Is it possible to speed up WPA/WPA2-PSK cracking using a rogue AP?

We know that WPA/WPA2-PSK uses a PTK (Pairwise Transient Key) for each client to encrypt the communication. This PTK is generated through the process known as 4-way handshake. As told in the related ...
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3answers
917 views

Preventing 3rd party DNS Servers from being used

While using a wireless network recently that implemented a captive gateway, I noticed that any third party DNS servers manually set would not allow the network to connect properly. This would seem ...
7
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2answers
3k views

Dictionary Attack on Wifi

I know a few people with pretty weak passwords. What kind of systems exist to prevent dictionary attacks? Would it make sense to restrict the number of connection attempts in a certain timeframe? ...
10
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2answers
847 views

When are HTTP session cookies at risk over Wi-Fi?

If I'm using websites that do not use HTTPS, but I'm on a WEP-protected Wi-Fi network, are my cookies safe from being sniffed by third-parties? Are cookies only at risk during login, or am I at risk ...
8
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6answers
612 views

Doing a demo about open wireless networks exploiting with Firesheep

A collegue and I have been asked to do a demo where we show off stealing Facebook sessions with Firesheep. I've never used Firesheep before myself, but I reckon it should be a simple task. I know the ...
4
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1answer
28k views

How long to brute-force WPA password?

Bob has a password (for his WPA encrypted wifi) which is 8 characters, all lowercase, and not a dictionary word. Eve lives next door to Bob and wants to illegally hack his WPA. The number of ...
3
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1answer
537 views

WPA vulnerabilities for pentest

As I am a network&IT enthusiast, I was asked by a friend to pentest his WPA network. I'm wondering if there is anything else I can do beside a bruteforce attack, trying the KARMA attack on ...
10
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4answers
3k views

How can an access point spoof me into connecting?

I was reading through the answers of the question "How can I ensure that I connect to the right wireless Access Point?" and was wondering how it is possible for an access point to imitate another wifi ...
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3answers
366 views

Is there a security problem accessing my laptop via WIFI?

I'm developing a web application for mobile devices on my local server in my laptop. My laptop is connected to company network via LAN. And, my project manager, wants to check the web application ...
4
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4answers
727 views

What particular concerns should one bear in mind when wardriving?

I'm considering starting a neighborhood-wide wardrive, with the objective of raising awareness to the risks of running unsecured wireless networks. Right now, I'm still in the planning stages of this ...