Attack vectors are methods and channels used by attackers during a hacking attempt.

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Why is application crash considered insecure?

If an application crashes, the program stops and there is nothing anyone can do about it, other than starting the program again. Crash is a bad behaviour in general and should be avoided, but why are ...
21
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1answer
9k views

Attack scenarios of the new Bash vulnerability [duplicate]

Odds are that you're already aware of the newly discovered Bash bug. It can be tested using env x='() { :;}; echo vulnerable' bash -c "echo this is a test". What yet I haven't understand is, what ...
16
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3answers
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NTP DDoS Attack on Home Servers

After some half-good script kiddies found out about this exploit or DDoS method, they have been doing it like crazy to websites, game servers, and now my home servers which allows me to work on some ...
16
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4answers
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Can the Windows Schannel vulnerability be exploited by visiting a website?

Microsoft has just patched a vulnerability in Schannel that could allow remote code execution (MS14-066). What I can't find are any reliable details on how this can be exploited. I've seen some people ...
13
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2answers
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Are in-store computers a security risk?

In many "big box" stores like Walmart, Home Depot, etc. I see many store computers just sitting empty. A black hat could install a payload on one of these computers, and potentially wreak havoc on the ...
9
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1answer
2k views

Cross site scripting and the use of http-only cookies?

I have been a developer and now I am trying to look at XSS from the point of view of a developer. I was thinking of a particular case of reflected XSS . Let us say we have a vulnerable website and if ...
8
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1answer
877 views

How can I find my home network's vulnerabilities when opening it for VPN connections

I want to open my home network so I can connect to it via VPN to do things™ while not at home. This concerns me because I am potentially opening doors that I don't know about. What tools can I use ...
5
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1answer
362 views

Cufon or Prototype as an attack vector for Blackhole exploit kit?

I've been asked to look into the security of a client site that's apparently throwing antiviral messages when visited. Specifics: It's being detected as a Blackhole exploit kit inside of a Cufon ...
4
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4answers
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Is this an attack and how can I fix it?

I don't know where to start in searching the forum for existing threads that might cover my issues. I recently received a spoof email pretending to be from a client for whom I've just started to do ...
4
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1answer
141 views

Use of JavaScript by LastPass to encrypt & decrypt the password database a secure approach?

LastPass is a top-rated password manager that comes as a browser extension and uses a master password to encrypt and decrypt the password database using the JavaScript. Is this a secure way of doing? ...
4
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1answer
103 views

Un-redacting analog redactions on variable width fonts?

The FBI currently prints and redacts documents using analog mechanisms. I'm curious to know if anyone has ever researched the accuracy of inferring the possible words or names. Certainly, given the ...
4
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1answer
247 views

Finding all AJAX entrypoints

Is there any tool to (automatically) find all backend JavaScript entrypoints within a site? I have to check a site for vulnerabilities in the backend code that validates AJAX parameters and I would ...
3
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2answers
126 views

Regular Expressions for common exploits

I patched for shellshock and was barraged a few days later. However, I would not have known any attempts were made at all if not for a regular expression I found on the internet. This has inspired me ...
3
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2answers
2k views

Exploiting HTTP content in HTTPS page [closed]

I recall hearing there is a range of attacks one can mount against a page which mixes HTTP and HTTPS loaded content (say, https://Secure-Site.com loading an image from http://Not-A-Secure-Site.com) ...
3
votes
2answers
102 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 ...
3
votes
1answer
78 views

PHP max_input_vars security expectations

Considering a site that handles large POST data, would it be unreasonable and dangerous to set the php.ini max_input_vars to something like 100000? I know this is a vector for DOS attacks, but don't ...
3
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3answers
354 views

Why is it necessary to validate data in a servlet obtained by calling HttpSession.getAttribute()?

I am new to WebApp programming and am trying to understand the security implications of not validating data obtained by calling the javax.servlet.http.HttpSession.getAttribute() interface method. I ...
3
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1answer
233 views

Odd user registered and strange behavior. Is it sinister?

I am running a number of web sites. They are all Drupal based, if that is relevant. Recently I have noticed something odd. All my sites have a user registered with the name "zctonglin". I presume ...
3
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3answers
58 views

Remove pdf malware by re-printing to new pdf or text extract?

Consider you have a suspicious pdf file that might contain malware. Would it be sufficient to either: (1) open the pdf file in a virtual environment and let the pdf viewer or pdf-creator program ...
3
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1answer
122 views

Does FCGId use environment variables? (Or is it a possible attack vector for CVE-2014-6271/7169?)

According to Red Hat httpd (attack vector): CGI scripts are likely affected by this issue: when a CGI script is run by the web server, it uses environment variables to pass data to the ...
3
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0answers
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Comprehensive list of shellshock attack vectors [closed]

Currently I know of three serious attack vectors: crafted cgi parameters from a web client dhclient getting crafted hostnames from a DHCP server restricted SSH users getting full shell access I ...
2
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3answers
235 views

What risks am I taking with a weak password on a laptop?

I'm setting up a Mac laptop for my wife. Mine has a ridiculously strong password, but she finds this annoying. If I give her a (relatively) weak password for convenience, what risks am I taking? A ...
2
votes
3answers
250 views

hiding javascript in image

I have read a post in thehackernews and searched the net to find how it worked. How can anyone add javascript in an image such that when the image is displayed it can run a script. Can this be done ...
2
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3answers
643 views

Is there a way to exploit unused GET POST parameters in web application?

So there is an application that accepts some data from the outside. Assuming that it accept only finite number of different POST/GET parameters and the application is correctly handling all the data ...
2
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1answer
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ALERT - ASCII-NUL chars not allowed within request variables

In a Drupal site, I get this error in my Debian's syslog: suhosin[9413]: ALERT - ASCII-NUL chars not allowed within request variables - dropped variable 'name' (attacker 'x.x.x.x', file ...
2
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1answer
134 views

Malicious *URLs*?

Everyone says not to click on "malicious URLs". Are there any attacks where the URL itself, rather than the resource accessed by the URL, is the attack vector?
2
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2answers
171 views

Are there any attack vectors for a printer connected through USB in a Windows Environment?

I have the potential for a printer to be connected through USB and through a network cable at the same time. The USB would be connected directly to a computer which is part of a private network. ...
2
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1answer
80 views

Server Detection Vectors

I have a web server, and I would like to anonymise it as much as possible, to prevent unreported exploits directed at my web server (original cracks). My ideas: change server header customize 404 ...
2
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2answers
707 views

CSRF Login: can Attacker Login using valid credentials?

Considering this picture: taken from here:page21 Is this possible? If so, How to prevent it?
2
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2answers
2k views

What are the most common infection vectors for personal computers?

We have OWASP to tell us about common security vulnerabilities in webapps and such, but what are the most common infection vectors for personal computers? A few example vectors: Social engineering ...
2
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1answer
47 views

How to prevent browser from rendering malacious content if request or response is hacked

We are currently working on OWASP security fixes and we identified one attack scenario for which we are trying to figure out a possible solution: User hits a valid HTTPRequest to our application. ...
2
votes
1answer
136 views

What is this attacker trying to accomplish?

My client is who is running a recent version of vBulletin is getting lots strange activity and I'm at a loss to explain what the attacker is trying to accomplish. The attacker registers a fake user ...
2
votes
2answers
134 views

Are there any known attacks for a laptop with the wifi connection turned off?

I recently got a new laptop. As I usually do, I removed the wifi module from it, since I intend to use it in public places such as my college and I don't need any sort of connectivity outside my home. ...
2
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0answers
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What sort of attack can reset MySQL Privileges and unmount remote drives without root or shell?

ATTACK VECTOR Monthly hits via a globally DDoS attack. Resolved with Cloudflare. Attacker can now somehow unmount network drive links and reset MySQL user permissions for applications. Attack is ...
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2answers
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CSRF Implementation

I am working on website,where I want include csrf checks by using referrer checks,will this be sufficient way to protect the form from csrf attack? if not what an attacker can do to bypass it?
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4answers
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Can JavaScript be used to install malware?

Looking at the Pwn2Own contest got me thinking: http://arstechnica.com/security/2013/03/pwn2own-carnage-continues-as-exploits-take-down-adobe-reader-flash/?comments=1 If you have all plugins turned ...
1
vote
2answers
88 views

If TLS compression is not supported is a site still vulnerable to attacks such as BREACH?

I have read that BREACH was a side channel compression attack against TLS however focuses on HTTP response compression. If a site has disabled support for TLS compression does that still mean it can ...
1
vote
1answer
76 views

How can non-secure or non-https-only cookie affect security of an HSTS website?

If a website is running on HSTS and it is setting about 20 cookies. Out of those 20 cookies 15 are both secure and https-only and remaining 5 are neither. In this scenario, in what all ways can we ...
1
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1answer
128 views

Worst-case scenario OPEN URL REDIRECTION and why google not covering it in bug bounty

OPEN URL REDIRECTION as per in my opinion can be proved very dangerous by crafting attacks such as phishing. But it seems like google thinks it as a very low level bug and does not provide any ...
1
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1answer
50 views

Remote Auditing a Secure WiFi Network-Obtaining enough of the Secured-Network credentials to attack without being in range of WiFi

I was wondering if there are any methods I'm unaware of that will allow an attacker to attempt to obtain WiFi access outside the physical range of the WiFi signal. When using net-stumbler or any ...
1
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1answer
260 views

PHP and max_input_vars configuration

I am looking into php's max_input_vars setting How many input variables may be accepted (limit is applied to $_GET, $_POST and $_COOKIE superglobal separately). Use of this directive mitigates ...
1
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1answer
130 views

Are Internet speed tests an attack vector?

I've been performing lots of speed tests lately due to, among some other random things, an Internet programming class and getting Google Fiber hooked up. Then I realized that SpeedTest.net uses a ...
1
vote
1answer
240 views

Any risk of email configured for pop/imap access?

If my mobile phone is infected with some malware and the only connection I have to my corporate network is that the email client in the phone is configured for mail (pop/imap), what would be the risk ...
1
vote
1answer
100 views

Attack using weird characters followed by some javascript in a URL?

I'm seeing a very weird attack this morning from a pile of VPS instances spread out across the US. The URLs look like this: /js/bundles/,!0):this.element.propAttr( ...
1
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2answers
231 views

Teamviewer Security Question

Currently we are using Teamviewer 9. We have a couple of desktop machines that are locked down in the following manner: 1). The shell is no longer explorer.exe, it is a custom program we have ...
1
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0answers
63 views

What attack vectors are there for a stand-alone saltstack minion?

I'm interested in using SaltStack in stand-alone minion mode as a way of automating the various configs that I want to do for my personal dev environment. But as a good security conscious dev, what ...
0
votes
1answer
243 views

rolling code & keyless entry system [closed]

The security industry typically uses rolling code algorithms to authenticate sender & receivers in keyless entry systems, which is called RKE (ex: KeeLoq). In key-less smart key car system, The ...
0
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3answers
709 views

Attack vectors opened simultaneous wireless and wired networks

I've seen some contention around the issue of whether or not wireless connections should be disabled in an environment where a wired domain and unregulated wireless network are both present. What ...
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2answers
116 views

Google Analytics: Hacked or Ghost Referers?

I posted this question (Hacked or Ghost Referers) on Google groups earlier today, but I also wanted to see if the security experts here have any insight into this behavior. I've got a web application ...
0
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1answer
27 views

Does a constantly dynamic cluster of short-lived instances reduce attack surface?

The 4am Idea The general idea is that every instance that gets launched on my cluster is preloaded with a 'suicide script' that after a preset Time To Live (say, 27 minutes) launches a replacement ...