The data, tools, and procedures which, when applied to a specific vulnerability, predictably violate the security design of a system.

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20
votes
3answers
2k views

Linux-based Turla trojan

There are several articles describing the newly discovered Linux-based Turla trojan. But basically, all these articles repeat the same, very limited, information. Can anybody provide more details, ...
-3
votes
1answer
68 views

What is the Impact of TRACE Method? [duplicate]

What attacker will benefit of TRACE Exploitation and What is the Recommendation to fix this issue?
0
votes
3answers
255 views

Can my raw html website get hacked?

I know that if you are using software for your website like wordpress, ip-board etc. there can be like in every software vulnerabilities. But what if you just have an apache server and a simple ...
1
vote
0answers
102 views

Older Cell / Smart phones were susceptible to bluesnarfing / bluetooth attacks, Why specifically are smartphones secure from this attack now?

Older cell / smart phones were susceptible to bluesnarfing / Bluetooth attacks, Nokia phones in particular. But now in days, modern smart phone and cell phones that use Bluetooth technology for ...
0
votes
0answers
158 views

Windows CTF/war games/reverse engineering/exploit challenges

War Games are fun but mainly deal with Linux reverse engineering. Example: http://blackbox.smashthestack.org:85/ Does anyone know of similar online games for Windows security?
3
votes
2answers
328 views

How to exploit via Metasploit vulnerabilities found with Nessus?

I am new in the field and trying to pentest a php web app locally stored on my host pc using metasploit from a kali vm. I have run some scanners like wmap,OpenVAS and Nessus and found some ...
11
votes
5answers
2k views

Are photographs of fingerprints a security risk?

It should be trivial to get fingerprint patterns for many of the most important people in the world, as they frequently (enough) wave their hand, palms forward, to many HD cameras. Is it possible to ...
0
votes
1answer
222 views

How to identify which storage USB device is BadUSB-free at store?

Are there certain things I can look for when buying a new external hard drive or flash drives to ensure that the one I purchase does not contain BadUSB? Would popular commercial brands, such as ...
2
votes
1answer
209 views

How to exploit vulnerabilities found from OpenVAS?

I could not find any match for the vulnerabilities with their CVE numbers found from OpenVAS scanner with exploits using sites such as Rapid 7 Vulnerability DB and Exploit DB, or by using a command ...
-2
votes
1answer
50 views

Tools or scripts to scrape browser credentials and data?

I'm exploiting machines in a network and I'm currently trying to scrape data to further my testing from the compromised machines. There's no SOE build so i've got a variety of different environments. ...
0
votes
0answers
47 views

Malware or exploit kit without escalation kit

Does anyone know of any malware or exploit kit that do not use a privilege escalation kit and just do malicious things with an unprivileged permission?
2
votes
2answers
416 views

Is it possible to exploit a file upload with whitelist and filename hashing?

I have a small web application. Because it is necessary to upload some files I check the file extensions with a whitelist (tgz, jpg, png, pdf, zip, rar, txt, gif, py, c, rb). In addition to that, I ...
-1
votes
1answer
127 views

Telnet Open, is this an exploit? [closed]

I am pentesting a server, and it appears my ports are open for telnet. Upon accessing telnet, if I type "help" I only get these commands: telnet> help Commands may be abbreviated. Commands are: ...
3
votes
2answers
129 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 ...
2
votes
1answer
174 views

Is it possible to get malware through an incoming video/audio stream? (e.g. Omegle, Skype etc.)

just a quick question. Is it possible for incoming video/audio streams to contain malware etc. through exploits in the transfer of the video/audio? Thanks in advance.
5
votes
3answers
307 views

CTF competitions/challenges that are Windows based?

I've been messing about in CTF's for a while and I also do pen-testing professionally, what i've noticed is a distinct lack of CTF competitions using windows environments. This is in stark contrast ...
2
votes
1answer
244 views

USB OTG DMA Attack vector, any information about that?

In that paper: http://www.delaat.net/rp/2011-2012/p14/report.pdf[1] is reported that USB OTG can be used to have direct DMA memory access and as a consequence have access to all the content of the ...
3
votes
1answer
116 views

Bypass Full ASLR+DEP exploit mitigation

Let's assume that a vulnerabled process is set up with an ASLR and DEP against all the imported modules used in this process and there is no way to find a module that is aslr free.. More over, the ...
2
votes
1answer
545 views

Questions on reflected file download (RFD) attack

I read this article, and the whitepaper by security researcher Oren Hafif which mentions the following salient points: RFD, like many other Web attacks, begins by sending a malicious link to a ...
2
votes
1answer
143 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?
0
votes
2answers
131 views

Stateless session cookie and logout

I have implemented stateless session cookie, something along the lines of this article: Demystifying Web Authentication (Stateless Session Cookies) The cookie contain an expiry time within the ...
0
votes
1answer
95 views

Floppy disk partition showed up when USB Flash drive inserted

For one of my course's midterm lab portion, the professor provided us flash drives to put our project in. Everyone had their named labeled on one, so she gave me the last one left out, which had a ...
14
votes
1answer
1k views

Why do exploit kits use droppers?

I've been looking into the structure of the online criminal underground, which consists of exploit kits, droppers, and malware payloads. What is the function of the dropper in this pipeline? Why ...
1
vote
2answers
152 views

Can BadUsb only be delivered via USB?

BadUsb works by infecting a computer when plugged into the USB port. Is it also possible for an attacker who gains control of a system, such as remote access, to then infect any connected USB ...
0
votes
1answer
67 views

Pivoting through XSS

I'll start off by saying this is a purely academic question; I'm trying to fill some gaps in my knowledge. If a website is vulnerable to XSS, and the target host is another machine that can browse to ...
5
votes
1answer
866 views

What kind of vulnerability would this exploit?

We're currently having our website pentested, and looking through our logs, a cookie we set (our allowCookies cookie) has had the value set to ...
1
vote
1answer
331 views

Exploiting shellshock

On doing some digging on the shell shock vulnerability, I found that being able to run the exploit via a remote location depends on whether the attacker actually knows the exact cgi script which uses ...
2
votes
1answer
169 views

Why “() { :;};”?

I was wanting to understand why the code below serves as a proof-of-concept for telling me whether my server is vulnerable or not. Moreover, how does the vulnerability work at lower-level? $ env ...
2
votes
2answers
130 views

Steps after getting hit with malware or browser exploits on Xubuntu

Well, today I was browsing the internet and I suddenly got redirected to a chinese hosted malware site and firefox started going crazy. I checked the url on virustotal with my phone and it found other ...
1
vote
1answer
82 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 ...
-3
votes
1answer
87 views

Feedback Form Exploitation possible or not? [closed]

how an attacker can exploit the below provided feedback form in a company website containing the company’s domain? the feedback form does not store data into a database. The server side code only ...
8
votes
1answer
642 views

What does this attempted Shellshock exploit do, and has my website been compromised?

I grepped my Apache's access.log today for the now infamous () { string, and besides a bunch of what seemed like pings to check how many servers are vulnerable, I found this attempt, which looked like ...
3
votes
1answer
123 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 ...
6
votes
2answers
7k views

How does the ShellShock exploit work over OpenSSH?

The three options listed in the CERT release (AcceptEnv TERM and SSH_ORIGINAL_COMMAND) are all server-side options. If none of these are set on a host (and no http vector is available) is the host ...
182
votes
5answers
103k views

What is a specific example of how the Shellshock Bash bug could be exploited?

I read some articles (article1, article2, article3, article4) about the Shellshock Bash bug (CVE-2014-6271 reported Sep 24, 2014) and have a general idea of what the vulnerability is and how it could ...
-2
votes
1answer
56 views

Escape from <script> to cause a XSS (XSS when reflection is already under <script>) [duplicate]

I am trying my level best to solve this issue i am totally not able to create a XSS i still thinks it to be a vulnerability and i think it is exploitable. I am frustrated around it for 8 days . Please ...
0
votes
1answer
58 views

What is the difference between XSS and Cross Site Flashing? [duplicate]

I want to know the basic differences between XSS and XSF
-1
votes
2answers
108 views

XSS InJavaScript

Recently i was figuring out a web application and found that the url is reflected among the source of the page which make it bit obvious for xss but the input from url which is reflected on source is ...
1
vote
1answer
75 views

Am I safe to see a thumbnail of a downloaded images on Ubuntu 14.04?

I have downloaded an image that someone has uploaded to my website with a public upload form. My intention was to copy the file in a virtual machine and see the image from there; unfortunately, on ...
3
votes
2answers
131 views

Is there any danger in allowing users to host PDF/RTF/DOC files on my web server?

If I were to allow users to host arbitrary PDF/RTF/DOC files on my server all under the same name, but with different query strings would there be anything to worry about? I've heard of PDF/RTF ...
3
votes
2answers
1k views

Closely spaced failed logins in auth.log

I have a raspberry-pi (running GNU/Linux) and I recently allowed my router to forward port 22 (ssh) to the raspberry-pi so that I could log in while away from home. I then noticed a bunch of ...
33
votes
9answers
4k views

Why is it a security problem not to update one's browser?

Is it in general a security problem not to update your browser. Firefox constantly prompts me to update my browser, but how dangerous is it to not update? As part of this question, I would like to ...
-1
votes
1answer
86 views

Why should I use ROP for exploit dev? [closed]

Return Oriented Programming is a technique for bypassing DEP which based on ret2libc.. ROP is used for formatting the API function parameters in order to make a reliable shellcode.. I dont get ...
3
votes
4answers
247 views

Vulnerability exploitation in Java

I am not intimately familiar with Java, so this could be a stupid question. In a C program I can find buffer overflows or may be a ROP based exploit to run custom code. How is it done in the context ...
0
votes
1answer
141 views

Are shell scripts / bash inherently less secure than other (script) languages such as python?

Are shell scripts / bash suitable for any kind of task as long as the developer(s) write correct, security bug free scripts? Or are shell scripts / bash less advisable for some tasks such as parsing ...
18
votes
1answer
639 views

EICAR Virus Test maliciously used to delete logs?

Today at work I was asked to test our anti-virus software on our Linux servers. I attempted to create a text file containing the EICAR Virus Test signature. The file was deleted instantly, ...
0
votes
1answer
229 views

Which shell is more secure, mksh or bash?

Which shell is more secure, mksh or bash? There has been some discussion pointing into the direction, that mksh is more secure. How to come to that conclusion? By looking which code was more audited ...
1
vote
0answers
62 views

Shared clipboard on Linux without keylogging, etc. vulnerabilities?

X has some serious security problems, not the least of which is that any program using a given display can log keystrokes from any other program on that display. (This can be demonstrated easily using ...
8
votes
5answers
902 views

Can the BadUSB exploit be prevented?

Recently I read a few things about the BadUSB exploit, for example: http://arstechnica.com/security/2014/07/this-thumbdrive-hacks-computers-badusb-exploit-makes-devices-turn-evil/ My understanding ...
-1
votes
4answers
157 views

It is possible to hack a car? [closed]

Please if you cant answer this question, don't down vote it and the let others to discuss their opinions instead of closing it. Yesterday I watched a collection of videos at YouTube for people who ...