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

learn more… | top users | synonyms

1
vote
0answers
13 views

Kali Linux new exploits failed

Why can't I use new exploits like exploit/multi/browser/adobe_flash_nellymoser_bof ? I tried to access it, but I can't even find it in MSF search Adobe or Flash or anything like this. What should I ...
9
votes
3answers
528 views

Can an attacker “simulate” a private IP address?

I have a SSH server with a rule that does not allow password connections outside the local network. So people already on the local network, either physically or via VPN, are allowed to connect with ...
1
vote
3answers
115 views

Why not fix Android root exploit? [on hold]

I see many scripts for hacking Android device and getting root, critical access level. I see millions of people apply this to their devices and do not understand the risks. Why don't Android ...
4
votes
1answer
671 views

is computrace a permanent backdoor?

I was reading about CompuTrace and this thing is pretty much a backdoor and irremovable. It's in the firmware, in the BIOS and survives formatting and even hard drive change and OS reinstalls. Some ...
-1
votes
0answers
52 views

Do you know any tip to accomplish this xss? [on hold]

I have the following scenario: Test A: https://target/srv;?q=pwn%0Aalert(1);//&ref=B The result: <script type="text/javascript"> if ("pwn alert(1);//" != "") ...
2
votes
2answers
161 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 ...
15
votes
3answers
3k views

Example of a backdoor submitted to an open source project?

To clarify immediately, I'm not interested in writing a backdoor. I have no interest in submitting backdoor changelists to projects myself. I'm researching some source modeling techniques, and we're ...
3
votes
1answer
57 views

Hooking an *unexported* API

I want to know is there any way to hook (inline hook) an unexported API of a PE? I have this binary (PE 32 bit) which does not uses any DLL (A statically linked binary) and I would like to know what ...
2
votes
2answers
235 views

ROP Gadgets from executables?

I noticed that exploits which use Return Oriented Programming always find the gadgets in libraries. I wonder if it is possible to use gadgets from the executable (.exe) itself?
3
votes
2answers
69 views

How to sanitize archive files?

I am looking for a way to make sure that a particular archive file does not contain any sort of malicious code. From time to time new vulnerabilities pop up (e.g. gzip, 7zip) so I though a good idea ...
2
votes
2answers
58 views

How to overwrite ebp on stack alignment?

I want to exploit a simple program #include <stdio.h> #include <string.h> int main(int argc, char** argv) { char buf[128]; strcpy(buf, argv[1]); return 0; } The disassembly ...
35
votes
3answers
21k views

Stack Overflows - Defeating Canaries, ASLR, DEP, NX

To prevent buffer overflows, there are several protections available such as using Canary values, ASLR, DEP, NX. But, where there is a will, there is a way. I am researching on the various methods an ...
-2
votes
0answers
42 views

List of devices vulnerable to bad USB

I come across a site once where they had a huge list of tested devices that were vulnerable to the bad USB exploit. In this list were USB devices like keyboards, webcams, network usb sticks and ...
0
votes
1answer
73 views

The way vulnerabilities like CVE-2014-4148 are discovered [duplicate]

What is the most probable way the vulnerabilities like CVE-2014-4148 are discovered? How long does it take to find such one? Are there other ways? Which is the most successful one?
1
vote
1answer
65 views

How does Memory Corruption apply to Android?

I have researched several DoS attacks within Android e.g.: CVE-2015-1474 CVE-2013-5933 CVE-2013-4710 CVE-2012-6301 etc. And although I found DoS attacks within Android difficult to understand at ...
1
vote
1answer
99 views

Bash Shellshock

I am trying to find out if my devices are vulnerable to bash shellshock. I have run the commands found on https://shellshocker.net. It seems my devices are both susceptible to only one of the ...
5
votes
3answers
157 views

find if 0-day flash bug was exploited (on a particular machine)

There have been several critical 0-day exploits in the past days/weeks in Flash alone. Nobody knows how long the 0-days have been exploited, and it is reasonable to expect that there are 0-days being ...
5
votes
2answers
158 views

How can a font be used for privilege escalation?

Recently Kaspersky released an analysis of Duqu 2.0 and apparently the malware used a True Type Font File to exploit a critical vulnerability (CVE-2011-3402) to "jump directly into Kernel". I haven't ...
1
vote
2answers
657 views

Spike in TCP port 5904 activity - what for?

There is an 'Internet Weather Report' on the Threat!Traq video blog by AT&T security researchers. In the March 14th broadcast, at around 31 minutes in, they mention an increase of scanning ...
4
votes
3answers
7k views

Finding environment variables with gdb, to exploit a buffer overflow

I have to exploit a very simple buffer overflow in a vulnerable C++ program for an assignment and I am not being able to find the environment variable SHELL. I have never worked with BoF before, and ...
1
vote
0answers
37 views

EIP getting changed in fgetc() Buffer Overflow Homework

Here is the gist of the code: main(){ char s1[64], s2[64]; int a = 0, b = 0; FILE *fp1, fp2*; char temp; scanf("%s", s1); scanf("%s", s2); ... //some checks happen, fp1 is opened to ...
3
votes
2answers
79 views

Attack vector, attack surface, vulnerability, exploit: Where is the difference?

I have difficulties to pinpoint the difference between attack vector / attack surface / vulnerability and exploit. I think the difference between a vulnerability and an exploit is the following: A ...
2
votes
0answers
65 views

Suspicious web-application requests containing encoded JavaScript function(?)

I've been seeing some odd traffic in the logs for a web-application (Apache) that I'm wondering about, and I'm hoping that someone here has seen this before. The raw requests were variations of: ...
97
votes
5answers
3k views

How can I protect myself from this kind of clipboard abuse?

Clipboard abuse from websites Many websites use JavaScript or CSS to stealthily insert or replace text in the user's clipboard whenever they copy information from the page. As far as I know this is ...
-1
votes
1answer
153 views

What makes an Android application vulnerable to Cross-site scripting (XSS)?

Definition of XSS If you search the web, there are many different ways to define a cross site scripting attack. Simply put, XSS vulnerabilities occur when a malicious attacker is permitted to inject ...
5
votes
1answer
808 views

What is the “Moose” worm and how can I protect myself from it?

I have heard from others that there is a new worm called "moose". This actively targets and exploits home routers. What are the effects of this exploit? How can I protect myself from this? Can I ...
3
votes
2answers
79 views

Found this textarea with PHP in it. Might it be malicious/exploitable?

I came across this textarea on the website of a Medical Center. Clients enter sensitive medical data here. What users see: HTML: <textarea name="message">&lt;?php echo ...
1
vote
0answers
34 views

MySQL BACKRONYM (CVE-2015-3152) only affects MySQL client?

I read the CVE-2015-3152 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3152) named BACKRONYM (http://backronym.fail/), and what I understood (ELI5 style) was the following: Attacker ...
1
vote
2answers
117 views

Questions regarding Bad USB exploit

I own a Netbook and my external DVD Drive is possibly infected with Bad USB. If i install Ubuntu using this infected DVD drive could my system be taken over during installation process or later when ...
0
votes
1answer
68 views

What factors make Android app code vulnerable to Cross-Site Request Forgery attacks?

According to techtarget.com Cross-Site Request Forgery is: a method of attacking a Web site in which an intruder masquerades as a legitimate and trusted user. An XSRF attack can be used to ...
6
votes
2answers
360 views

How does getting a remote shell via exploiting a vulnerability really work?

I can understand what a buffer overflow is and that it allows you to write in places of the memory that you shouldn't be able to. I can also grasp the concept that there may be other software ...
-1
votes
1answer
105 views

What makes an Android application vulnerable to Directory Traversal?

Definition of Directory Traversal Directory traversal is a form of HTTP exploit in which a hacker uses the software on a Web server to access data in a directory other than the server's root ...
0
votes
2answers
138 views

What makes an Android application vulnerable to SQL Injection?

Definition of SQL Injection SQL injection is a code injection technique, used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution ...
1
vote
2answers
54 views

Potential worm damage on a physically isolated Tor system

I'm setting up a physically isolated Tor system (with one computer serving as the workstation and another as a Tor gateway), and I'm concerned about methods a worm could use to infect my OS. In the ...
2
votes
2answers
120 views

Will the following PHP code result in source code info leak/disclosure?

I'm aware of this vulnerability via PHP's filter stream wrapper that is able to disclose PHP source code: file=php://filter/convert.base64-encode/resource=filename.php. So I went ahead to guard ...
5
votes
2answers
354 views

How can the Android GraphicBuffer::unflatten() vulnerability (CVE-2015-1474) be exploited remotely?

I've been reading up-on DoS (denial-of-service) attacks within android and although I understand attacks like the below, which make use of regular programming functions etc. (Android Web Browser) ...
22
votes
2answers
921 views

Aviation security - Lessons to learn from PlaneSploit

A somewhat related question has already been asked (What would one need to do in order to hijack a satellite?), only at a more abstract level. Now we have a presentation by Hugo Teso from n.runs AG ...
1
vote
2answers
57 views

Why Wordpress doesn't filter post_title?

Today, when I did some tests and found out that Wordpress doesn't filter the post_title. Respectively, I make posts with the titles: <?php while ( have_posts() ) : the_post(); echo 'Post Title'; ...
3
votes
2answers
277 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.
3
votes
1answer
158 views

SMB/CIFS shares on HP-UX vulnerabilities

So, I've run an unauthenticated Nessus scan against a critical piece of infrastructure as part of a pen-test but I'm getting back some weird stuff and i can't seem to re-create the issue to ...
6
votes
2answers
113 views

Modify C code with buffer overflow vulnerability to skip code

I'm trying to find a way to exploit the buffer overflow vulnerability in the following source code so the line, printf("x is 1") will be skipped: #include <stdio.h> #include <stdlib.h> ...
3
votes
3answers
87 views

Temporary XSS Vulnerability

I found xss on a textarea field. When you enter a character to this field it output the character on realtime so when i input the following code: <input onclick=alert(document.cookie)> there ...
2
votes
0answers
82 views

Exploitation of Reflected XSS on Android App

I am trying to do a security evaluation of an android application. I came across a situation where one of the activities of the app displays certain form fields in a webview. This form is very ...
8
votes
4answers
665 views

Evading IDS in exploit development

In the context of buffer overflow exploit development, I was asked: Discuss how your exploit may be modified to evade an Intrusion Detection System. I'm not asking for my homework to be done, but ...
0
votes
1answer
71 views

Why is Parallels Plesk running on port 8443 > 1023?

Parallels Plesk, a server administration software package, uses HTTP(S) on port 8443 (ref). I know that ports <1024 are only available for root. This means that if the server Plesk is using for ...
5
votes
1answer
729 views

How secure is OpenSSH on FreeBSD?

In a discussion about the recent OpenSSL information disclosure vulnerability, the subject of OpenSSH being vulnerable came up. While OpenSSH is not vulnerable due to the problem lying in the TLS ...
-2
votes
1answer
53 views

Are exploits 1:1 with vulnerabilities? [closed]

I know that for the most part, there are some small differences between thoughts on a lot of matters in terms of definitions in security. What I am asking about is whether exploits are considered to ...
2
votes
2answers
115 views

What is asymmetric information in relation to information security? [closed]

I have just finished reading "Why information security is hard - An economic perspective", the term asymmetric information is mentioned. An example in this paper mentions "The technical bias in ...
0
votes
3answers
80 views

Exploiting a desktop application

I'm studying application security and now I have a question which I couldn't find a good answer. Assume I have a vulnerable desktop application in my virus-free windows 7 PC. Let's say when the file ...
13
votes
4answers
706 views

Custom socket server on the internet running as root

We are writing a custom socket server which runs on a high port. Until recently, it has been running behind a corporate firewall. Now, it has been decided that the server should be taken outside the ...