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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2answers
739 views

Heartbleed client side attack: What can the attacker obtain? [duplicate]

If I have got this right in my head it would be a simple enough task to combine arp spoofing on a public WiFi to redirect clients to an evil SSL server which sends malformed heartbeat requests or to ...
5
votes
1answer
873 views

Does xkcd.com/1353 overstate heartbleed's capability?

Today's xkcd has characters discussing heartbleed: Megan: I mean, this bug isn't just broken encryption. Megan: It lets website visitors make a server dispense random memory contents. Megan: It's ...
1
vote
1answer
221 views

OpenSSL exploit [closed]

I have read about recent vulnerability in openssl. I tried to exploit one of my cloud servers where I run my web sites. I managed to get 64 KB of data. But what I managed to get was only HTML, CSS, ...
1
vote
1answer
81 views

Is it possible to use a .Net payload with metasploit?

I'm not exactly sure how metasploit works when exploiting a target machine, and it has been a while since of played with it, so forgive me. Instead of using meterpreter as a payload in metasploit, ...
3
votes
1answer
396 views

How does SEH based exploit bypass DEP and ASLR?

I am new to structured exception handling based exploits. Why don't we put our return address directly in SE handler to jump to our shellcode? (with no safe SEH) Can anybody explain the reason of ...
0
votes
3answers
427 views

Windows DLL Injection

In the past recent years of mine, I have been doing a lot of DLL injection with a few indie games and MMORPGs. I fully understand how to do it, and how it works for allowing these games to work not as ...
1
vote
1answer
134 views

How can I verify my machine is not vulnerable from a specific exploit?

I'm running Ubuntu 8.04 TLS linux 2.6.24-23, I find that CVE-2009-2692 which exploits by using sock_sendpage() null pointer dereference. It describes this exploit affects linux version prior to 2.6.31 ...
1
vote
1answer
149 views

WordPress Private Expoit? [closed]

I have a friend who said he has a private exploit for all WordPress ran websites. I asked him to take down my private blog, to see if it is real. He couldn't do it. I tried to get some more ...
1
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1answer
146 views

A renamed exe automatically running

We are currently developing a web app that allows users to upload files to act as attachments to information they provide. Obviously allowing users to upload any file types is very dangerous, ...
4
votes
1answer
124 views

ROP resistant gadgetless binaries

G-Free: defeating return-oriented programming through gadget-less binaries This paper describes what seems like a really cool technique to prevent ROP attacks if the source is availible. They use an ...
2
votes
3answers
626 views

How to determine the size of payloads available in MetaSploit

I've noticed that there are a lot of different payloads to choose from in MetaSploit, and the choice (assuming there's enough room in the target) usually depends on what you're trying to do. However, ...
19
votes
8answers
3k views

How could someone exploit the OS an ATM is running?

As I'm sure many of you have heard, the end of support for Windows XP is the supposed apocalypse for ATM's worldwide. I am cognizant of the fact that this ensures that no more patches are issued, and ...
5
votes
3answers
3k views

How to get this to buffer overflow?

I'm trying to understand buffer overflow, and am working with a simple piece of code, as below. #include <stdlib.h> #include <stdio.h> #include <string.h> int bof(char *str) { ...
5
votes
1answer
1k views

Recent Fritz Box exploit

Background info: About 50% of the ADSL and cable internet access in Germany (and presumably parts of the EU) goes over AVM Fritz routers, either verbatim or rebranded as e.g. "1&1 Home Server" or ...
1
vote
3answers
2k views

Exploiting through a filtered port

I'm doing some pentesting against a machine the lecturer set up in the lab. NMAP shows port 445 to be filtered and Nessus confirms the ms08_067 vulnerability is present on that machine. I tried ...
-1
votes
1answer
243 views

Can this code be expoited using Buffer Overflow?

I have a piece of code which contains an obvious buffer overflow at strcpy(buf, x) since it doesn't check if buf is large enough to fit the string x. I'm wondering how to actually exploit this bug. ...
25
votes
4answers
6k views

BREACH - a new attack against HTTP. What can be done?

Following on from CRIME, now we have BREACH to be presented at Black Hat in Las Vegas Thursday (today). From the linked article, it suggests that this attack against compression will not be as simple ...
71
votes
5answers
2k 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
vote
2answers
369 views

Python exploit question?

Can someone please explain how and why this struct.pack code is used in the below exploit? I'm trying to understand how it triggers the vulnerability. I understand the buffer overflow aspect, I'm ...
9
votes
4answers
2k views

Nessus Scan Port ID mapped to Metasploit Vulnerability exploits

My Question: Is there any sort of website that maps Nessus Scan IDs to Metasploit Vulnerabilities? My Situation: I'm learning about penetration testing and I'm beginning to get frustrated seeing a ...
2
votes
1answer
1k views

CentOS - Local privilege escalation - CVE-2012-0056

I have a server with these properties : cat /etc/lsb-release ...
0
votes
2answers
374 views

Can I exploit Windows kernel from user-mode application?

In this document is detailed technique of exploiting Windows kernel. But writer is talking about accessing kernel memory & doing exploit from user-mode application at the same time. Can I do this ...
-6
votes
1answer
103 views

How can mp3blaster vulnerability affect my linux OS? [closed]

Mp3blaster is a terminal mp3 player running a UNIX-like operating system, e.g. Linux, Free/Net/OpenBSD, etc. I usually use this player for playing my music, but yesterday I found a blog which claim ...
0
votes
1answer
153 views

Using buffer overflow on word with macro injection

I know how a buffer overflow works on a local network against an application running on a TCP port, assuming it doesn't drop the connection, but I would like some advice on an "exploit" I would like ...
0
votes
1answer
87 views

Looking For Compiled Version of Metasploit Local Windows Exploits [closed]

I am looking to have a standalone compiled exploits for all local windows exploits that Metasploit has right now. I was wondering if somebody has done this before or know a place that has these ...
1
vote
1answer
77 views

Why stack is not at the same address when exec running in GDB

During writing some basic challenges, I discover that the exploits are not working if not launched in GDB. To test this behavior, the following program print register values and code address: ...
4
votes
1answer
175 views

Why would a user agent string be executed?

I'm having trouble understanding how a particular XSS vulnerability might arise in the real world. Guides for two of the exercises on hackthissite.org: ...
-2
votes
1answer
57 views

websites with vulnerabilities INFO [duplicate]

Websites like http://www.cvedetails.com/ http://www.securityfocus.com This websites show information about vulnerabilities and exploits, which other sites are similar?
2
votes
3answers
195 views

Does the principle of the CRIME & BEAST attack affect VPNs?

I was recently reading about the attacks on SSL/TLS that CRIME and BEAST were able to exploit by attacking the compression in the secure session. Upon reading this I remembered that OpenVPN has ...
0
votes
1answer
93 views

Why does this buffer overflow have payload &system-&exit-&BINSH

I'm following a tutorial to write a simple buffer overflow. I have (basic) knowledge of assembly, and the stack. I've written a stack based buffer overflow before and understood it. The program I'm ...
1
vote
1answer
509 views

Reverse TCP connection from exploited SearchIndexer.exe failing

I'm working on a tool that exploits SearchIndexer.exe on Windows 7 x86 and connects back to a metasploit multi/handler, using standard metasploit reverse TCP stagers. The exploit seems to function as ...
4
votes
2answers
440 views

Cell phone voice mail hacking

The news has been filled recently with the allegations that News of the World employees hacked into the voicemail inboxes of celebrities and crime victims. What flaw was exploited to accomplish this, ...
1
vote
2answers
194 views

How do arbitrary payloads execute on the remote machine?

I understand executing something like a reverse TCP bind via shell relies on resources being available on the victim machine... and in the case of running a, shall we say, Ruby script from the command ...
8
votes
2answers
367 views

Are userid and password needed in order to pentest a website?

We are a company that has many web applications developed in ASP.NET. Our Internet service provider (Telefonica) wants to test our web sites looking for vulnerabilities. For that, they are asking us ...
-1
votes
2answers
859 views

Automatically search Metasploit for useable exploits based on vulnerabilties in the database

Is it possible to automatically search the Metasploit database for usable exploits based on information about the vulnerabilities on the hosts? Searching in Metasploit for each CVE number to see if ...
0
votes
1answer
73 views

Installing a custom SSL Certificate For Local Proxy. Safe?

I've been writing some software for over a year that is a sort of browsing security/privacy application. One of the features of this software is that it uses a local HTTP proxy for some content ...
4
votes
1answer
882 views

Why does Directory traversal attack %C0%AF work?

Introduction: I am trying to learn the basics of Directory Traversal. Question: While trying to understand the 2-Byte Unicode conversion of characters, I came across this_SANS ARTICLE that explains ...
2
votes
1answer
326 views

List of NSA spyware - remote bios exploits [closed]

Found this rather detailed list of the NSA's latest spyware gadgets, with several different remote bios exploits that once installed are virtually undetectable and can survive reinstall of the OS: ...
0
votes
2answers
2k views

Ways to completely spoof browser user agent and hiding OS to a webserver

This is a follow-up to the following question: Can a website determine what OS or web browser a visitor is using if the useragent is blanked/changed? If I have understood the answers correctly, a ...
2
votes
2answers
454 views

NX bit: does it protect the stack?

I once heard the NX bit was a panacea, then that it was not. One detail I've wondered about though: Does the NX (no execute) bit protect against code inserted into the stack and executed there? It ...
0
votes
1answer
1k views

Is this a security issue at the Remote Host or the Local Host?

The problem is as follows: In the local host machine (let's call it 'A'), there is a apache server hosting some web application. A user use the local host machine to access a web application site ...
5
votes
1answer
412 views

Suspicious activity on contact form, what are their intentions?

I've just started receiving several emails per second and I think it's likely someone is trying to exploit my contact form. I've taken steps to protect my site, I'm just curious what it is they're ...
17
votes
7answers
1k views

How to exploit the “PHP_MAGIC_QUOTES ON” vulnerability in order to cause max damage?

I've found a whole lot of SQL injection exploits in some systems I maintain. I know how to prevent the injection, but I would like to demonstrate to my CEO and CTO how dangerous it is if we don't have ...
2
votes
2answers
340 views

What hacking risks a site has if it has no input boxes?

I recently posted a question about recovery of website from XSS attacks, http://stackoverflow.com/questions/20759081/how-to-recover-a-site-after-an-xss-attack... Doing a bit more digging online, i ...
2
votes
1answer
1k views

How to learn programming from a hacker's prospective [closed]

I'm really into hacking and security aspects. But I'm wondering about several things that is stopping me from pursuing this passion for the time being. One of the them is actually Programming ...
11
votes
6answers
497 views

Can a website determine what OS or webbrowser a visitor is using if the useragent is blanked/changed?

Assume that a visitor to a website has changed his useragent to something like the following, but he's using linux: Mozilla/5.0 (Windows NT 6.2; rv:20.0) Gecko/20121202 Firefox/20.0 Assume that the ...
3
votes
1answer
118 views

Storing product keys on same server as shop?

Situation: An e-commerce system (specifically: PrestaShop) which is used to sell virtual products (specifically: product license keys). To accelerate order processing, a cronjob is supposed to be ...
1
vote
2answers
185 views

How does the stack cookie protect return address from being overwrite [duplicate]

/GS compiler option Micorsoft developed added an extra cookie before the return address and before returning the cookie is checked, if it is intact then return address is safe why ever would ...
91
votes
15answers
17k views

What “hacking” competitions/challenges exist? [closed]

I have always enjoyed trying to gain access to things I'm not really supposed to play around with. I found Hack This Site a long time ago and I learned a lot from it. The issue I have with HTS is that ...
4
votes
1answer
165 views

What are the major vulns that affect the Dalvik VM of Android?

I frequently hear about the security risks of using Android. But few people who write articles on this subject ever identify what parts of Android are at fault, nor do they identify design flaws. Can ...