A vulnerability which is known to the designers, implementers, or operators of the system, but has not been corrected.

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2
votes
3answers
573 views

How does Facebook avoid crawling over their site?

I used Netsparker community edition and tried to find a vulnerability in my personal site. Then I thought let's try with Facebook. It didn't show a single webpage also because normally it shows ...
1
vote
2answers
100 views

Can I instruct a Telco to prevent 2G connections from our phones?

Given that 2G is proven to be insecure (broken) at DefCon, is it possible for a Corporate IT department to work with the Telco and ban 2G connections for their devices? Some cell phones are unable to ...
4
votes
2answers
287 views

Drupal Disputed CVE Five Year Tempest – Open Source Security Shortfall?

Can someone add context to the subject issue? At first glance it appears to me this issue represents a fundamental shortfall in the forces encouraging secure coding in open source development. Is ...
2
votes
4answers
819 views

Chrome Frame is an example of how browsers “merge together”. How can I unmerge all of them?

Chrome Frame is an add in that integrates with IE and Firefox. Firefox has a similar component, and I hear that the .NET runtime finds its way into all the other browsers. Additional integration ...
4
votes
1answer
594 views

How to perform security exploits/penetration on devices like iPhone's, PSP's, and Android to run your owncode?

I was really interested in getting into performing exploits to install my own code on devices, instead of waiting for others. I figure its a great way for me to learn about security on devices like ...
4
votes
2answers
493 views

Could the bcrypt-ruby binding be vulnerable?

While developing a Ruby on Rails application using a commonly used authentication library named devise, I noticed from the prefix $2a$ of the produced password hashes in the application database that ...
2
votes
1answer
367 views

Can fuzzing be considered a software testing technique for any vulnerability type

I'm doing a research on fuzzing and I would like to know the answer to the question in the title. The cvedetails uses the following categories for vulnerabilities: Bypass a restriction or similar ...
2
votes
3answers
1k views

Vulnerabilities of RFID Smartcards

Recently my organization wants to move into the smart card system instead of static password. We want to move the entire infrastructure to the smartcard system. we are looking for a single smartcard ...
2
votes
2answers
483 views

Vulnerabilities and Threats to Non Web Based Windows Applications

I believe that most people here are familiar with OWASP and their Top 10 project. When it comes to information systems these days it appears that there is a big focus on web application security and ...
1
vote
1answer
888 views

How can I tell if a DNSSec zone is protected using NSEC3 (versus NSEC)

This answer describes how DNSSec might permit "Zone walking"... where a bad guy can extract all the DNS records from a DNSSec enabled zone. NSEC3 is an update that prevents this. (See bottom of this ...
1
vote
2answers
3k views

What needs to be done on a Citrix Netscaler to protect from SSL Renegotiation attacks?

I'm under the impression that the TLS/SSL renegotiation hack has been fixed. I'm not sure if the software has to be deployed on the server side, client side, or both. Based on this blog, TLS ...
0
votes
2answers
455 views

TimThumb security alternative or fix?

"An image resizing utility called timthumb.php is widely used by many WordPress themes....The utility only does a partial match on hostnames allowing hackers to upload and execute arbitrary PHP code ...
3
votes
2answers
528 views

HTML Vulnerabilities

My question is three-fold. Background I was asked to do some vulnerability scans on a website with some holes (I think). On a particular page, I was able to escape the text field and write on the ...
2
votes
2answers
1k views

Microsoft ASMX Web Services Test form available on remote machines

I have been doing some research about Web Services security. I noticed that some sites are using Ajax and JQuery to consume ASMX WebServices. I navigated to the Web Service EndPoint and I realized ...
6
votes
2answers
388 views

Videos and visual tutorials on Format String Vulnerabilities

Anyone know of good format string vulnerability tutorials/videos that demo how to test on a web app, such as modifying the URL. I've watched Vivek's videos from securitytube and another from ...
4
votes
1answer
729 views

Hubs, Switches, and Bridges - Flaws and Security Superiority

It just isn't clear to me which choice is good for creating small/intermediate networks. I know one of flaws of Hubs is that they send all packets to all nodes connected to it, in contrast to Switch ...
-2
votes
2answers
137 views

Under what circumstances can two computers receive packets at the same public IP address? [closed]

Under what circumstances could two completely different machines receive packets at the same class C IP address that is not within the IANA-reserved private IPv4 network ranges?
1
vote
1answer
9k views

Microsoft Windows RPC (135/tcp) security risks

I was running a vulnerability scan against a Windows Server of mine, TCP port 135. I got the following output: By sending a Lookup request to the portmapper TCP 135 it was possible to enumerate ...
20
votes
8answers
1k views

What cryptographic algorithms are not considered secure?

What cryptographic algorithms are not considered secure, but yet are still widely used and available in standard libraries? If applicable, mention a secure alternative.
8
votes
2answers
5k views

Implications of Trace/Track Methods on Apache

When performing vulnerability scans using Nessus, against a host running Apache, one expected result is always "HTTP TRACE / TRACK Methods Allowed". While this result only has a base CVSS of 4.3, I ...
5
votes
2answers
384 views

Dangerous hardware ports?

Using Passware Forensic Toolkit you can extract the bitlocker key using live memory dumping through Firewire (either by using an existing Firewire port, or by inserting an pcmcia/expresscard ...
3
votes
1answer
396 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 ...
5
votes
2answers
299 views

Advice for writing my first application security review

I wish to write a security review for a specific windows server/client application that runs on a closed LAN or WAN (between 1 and 200+ users across multiple sites); it's not a web-application. The ...
14
votes
2answers
1k views

Flaw in encryption through pseudorandom number stream (from gpg documentation)

I was reading PGP docs and came upon a part written by Phil Zimmermann (PGP's creator) that piqued my curiosity: When I was in college in the early 70s, I devised what I believed was a brilliant ...
1
vote
3answers
292 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 ...
11
votes
1answer
1k views

SSL TLS renegotiation vulnerability - current situation in clients

Reading about the SSL renegotiation problem CVE-2009-3555 one knows that servers supporting old type of renegotiation are vulnerable to data injection. We also have tools to test them (openssl ...
4
votes
3answers
296 views

Strategy against browser exploits on Windows?

On a friend's computer is some kind of spam bot installed. It sends messages like Hello: I received my apple iPad 32GB ordered on an online shop (www.elevalley.com ) today. So exciting ...
0
votes
3answers
2k views

Dropbox vulnerability details

Dropbox (the online cloud storage provider) was recently in the news for some security and privacy vulnerabilities. What was the problem, and what has been done to resolve it?
13
votes
2answers
957 views

Can Windows malware harm a Linux computer when it's executed with Wine?

I am an (Ubuntu) Linux user. Sometimes, I have to use Wine for running Windows executables. I would like to know if Windows malware (virus, trojan, worm,...), i.e. malware that was not intended to ...
4
votes
3answers
648 views

SCADA Operating System & Security Exploits

So I have a basic question on the SCADA operating system, which the manufacturers do not disclose. From my experience I can see VxWorks running in some of them, and Windows or Linux in some of them. ...
12
votes
2answers
469 views

HSM track records?

What are the track records of popular Hardware Security Modules (HSMs)? Have any been found vulnerable to hacking via creative use of the API, timing or power-monitoring attacks, etc?
7
votes
2answers
675 views

What risks are inherent with connecting to an untrusted public key server?

Thomas Pornin brought up a good point about PGP key servers in an answer to a recent question, here: Shouldn't GPG key fetching use a secure connection? ...you should not trust the key ...
8
votes
2answers
560 views

Recent Facebook XSS exploit details

There was a recent XSS exploit on Facebook that posted a vulgar message and got users to click on a link to spread the payload. What vulnerability was exploited, and what can other sites do to avoid a ...
4
votes
2answers
2k views

Command line Nessus/OpenVAS or NSE to find specific vulns?

Which methods do you use to quickly scan a network for certain vulnerabilities? I read in the O'Reilly book Network Security Tools that Nessus had the ability to test for one vulnerability only, but ...
6
votes
5answers
574 views

Naming convention based exploits

The book Web Hacking Exposed has a number of instances where the attacker would essentially use patterns in naming conventions to design attacks. Can any one point me to any study on ...
0
votes
1answer
333 views

What is the “Australian Failure”?

In the notes for my Computer Security course, the lecturer refers to the "Australian Failure" on slide 19. I'm assuming he's referring to a well known security system failure, but I can't find what it ...
7
votes
4answers
4k views

OpenBSD vs. NetBSD security

If i search for the two words: OpenBSD and NetBSD on: http://www.exploit-db.com/ then i get 17 hits regarding security bugs on OpenBSD, and 8 hits regarding security bugs on NetBSD. So what are ...
7
votes
3answers
998 views

Exploit-db like websites, where people can search for security bugs

If someone has to decide between 2 very similar server programs, or operating systems, then it searches on sites like: http://www.exploit-db.com/search/ so that there he could get enough ...
6
votes
2answers
2k views

Known security vulnerabilities in JBoss 4.x.x?

We just had a breach of one of our servers, where an intruder got access using the JBoss account and started running exploit scripts. The server has been taken offline and is being investigated, but ...
7
votes
4answers
326 views

How big is the risk, to enable scripting in the Web browser?

While browsing the web, many websites executes scripts (mainly javascript) that are executed without the user noticing. How big is the risk, to get Malware unnoticed while surfing with scripting ...