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

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0
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0answers
7 views

Why not fix Android root exploit?

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 Android developers ...
-2
votes
0answers
40 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);//" != "") ...
7
votes
2answers
397 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 ...
3
votes
2answers
65 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 ...
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0answers
39 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 ...
2
votes
2answers
55 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 ...
0
votes
1answer
71 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?
5
votes
2answers
154 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 ...
2
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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: ...
3
votes
2answers
76 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
1answer
51 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 ...
5
votes
1answer
754 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 ...
1
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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
1answer
62 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 ...
0
votes
1answer
64 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
356 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
90 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 ...
-1
votes
1answer
151 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 ...
0
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2answers
133 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 ...
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 ...
5
votes
2answers
343 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) ...
1
vote
2answers
55 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'; ...
2
votes
2answers
115 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 ...
1
vote
2answers
53 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
0answers
80 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 ...
0
votes
1answer
65 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 ...
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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 ...
0
votes
3answers
77 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 ...
10
votes
1answer
868 views

Legality of writing exploits for educational purposes (USA, Canada) [closed]

Is it legal for me to write a small exploit (possibly to a closed issue) and put it up on the internet for everyone to see (as a tutorial)? I have been researching the legality of exploiting ...
13
votes
4answers
705 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 ...
2
votes
1answer
89 views

Buffer Overflow EDI but not EIP

Is possible to exploit a program if you can only overwrite ESI or EDI register without EIP? Program in question does seg fault and overwrite EDI, ESI and ECX but can't get it to overflow EIP. Anyone ...
1
vote
0answers
39 views

How to disable Symbolic link creation option to users in cPanel server? [closed]

In shared hosting server, one user is trying to upload 100s of symbolic link files and trying to access files out side. Mostly it is for malicious purpose. In this image, you can see 100s of symlink ...
9
votes
2answers
1k views

Does http.sys vulnerability affect Windows not running any webservers?

Windows kernel level HTTP driver http.sys is affected by remote code execution vulnerability (MS15-034). This security update resolves a vulnerability in Microsoft Windows. The vulnerability ...
6
votes
2answers
112 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> ...
0
votes
2answers
367 views

How to exploit Open Redirect Vulnerability?

Redirect/Forward attack code: <?php $redirectUrl = $_GET['url']; header("Location: $redirectUrl"); ?> exploit (Sends user from your page to evil page) : example.com/?url=example.com/faq.php ...
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
120 views

Java desktop app vs web service [closed]

I currently have a desktop app written in Java (Swing) which talks to a C-based backend over SSL. I am trying to understand the pros/con from a security perspective to move to a web service model. ...
1
vote
2answers
103 views

Meterpreter and staged payloads

So starting with the absolute basics - an exploit is the means used to gain access to a vulnerable system and a payload is the actual program/shellcode used to fulfill attacker's intentions A staged ...
5
votes
1answer
122 views

Return oriented programming without int 0x80

I have a program with a stack based buffer overflow. It is running PIE with ASLR and DEP, however there is a section of executable code that is at a fixed location. However, this region does not ...
4
votes
2answers
73 views

Are there methods for determining the exploitability of bugs, after a crash is found in fuzzing?

I have found this, https://msdn.microsoft.com/en-us/magazine/cc163311.aspx It says that only "a full root-cause analysis can ensure that you have correctly diagnosed whether a given crash is ...
2
votes
1answer
116 views

exploiting Heap Overflow in gdb segfaults

I have been trying to exploit the heap overflow vulnerability for the program below, I am running Linux 14.04. #include <stdio.h> #include <string.h> #include <stdlib.h> int n = 5; ...
1
vote
0answers
73 views

ROP attack on x64, zero bytes trouble

I have found ROP tutorial on x86. Now i try to exploit simple buffer overflow case on x64: int main(int argc, char **argv) { char buf[10]; strcpy(buf, argv[1]); ... } I figured out, ...
1
vote
0answers
33 views

Possible exploit while MPLS parsing with Bottom of Stack bit

My current task to parse MPLS label in a packet and store them in to a list. When I check packets with MPLS: One can understand it is the last MPLS header by checking Bottom of Stack bit. If ...
12
votes
9answers
4k views

Can an old operating system webserver be made secure?

I have an old laptop with far too little RAM to run Linux (including specialty distributions). It can however run Windows 98 just fine, and I'm looking into turning it into a tiny retro webserver. Is ...
2
votes
1answer
88 views

How to find stack pointer for overflow bug?

I've read that stack usually starts in same address so the attacker may guess the starting point of the buffer to overflow. This is necessary to know this address to make the malicious code run. I ...
1
vote
1answer
98 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 ...
1
vote
1answer
80 views

Why should we focus on protecting root access on a home computer?

I understand why root access should be protected in general, especially in the context of a server environment. An unknown party can essentially control everything you do on a computer remotely ...
8
votes
4answers
663 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 ...
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 ...
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 ...