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
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0answers
200 views

SS7 exploit on the wiretapping part

Wondering if there are info/source code/guide on the SS7 wiretapping part (SMS interception). I had a look on the track any mobile by a German researcher, and on PTsecurity about how the structure ...
5
votes
2answers
101 views

How to recommend a (more) secure router

A colleague asked me to recommend a router for her small business. I asked her for a specification list, and on her list, she specifies secure. Well, we all know that nothing is completely secure in ...
2
votes
1answer
42 views

How to disable conntrack protocol parsing in the linux kernel?

Security researcher Jacob Appelbaum suggested to avoid certain code paths in the linux kernel that are related to conntrack that do protocol parsing (such as fdp, sip, etc.) right in the kernel for ...
9
votes
2answers
134 views

Are there any sequences other than ../ which will be intepreted as directory traversal in *nix or Windows?

A common vulnerability is for web applications to accept a filesystem path as a request parameter, and then perform some action on the specified path. For example, retrieving a file and returning it ...
4
votes
1answer
154 views

Unable to overwrite EIP register

Source code for both programs at the end of the post So, I've working through Hacking: The Art Of Exploitation, and so far so good. I've managed to control EIP in the vulnerable program notesearch.c. ...
0
votes
1answer
101 views

Unauthorized credit card payment

I have a debit card which links to my savings account in a let's call it Bank A. I had never used it for online purchases/transactions (not even interbank transfer). After a while, I purchased virtual ...
1
vote
0answers
83 views

How to remotely upload a file on linux and windows (without netcat or ssh)

With meterpreter from metasploit, there is an option (windows or linux victim) to upload files on the victim device. I searched in the metasploit-framework in order to find the script that does the "...
8
votes
3answers
992 views

Is a HTML form tag more exploitable than a HTML link in user submitted content?

I have a content editor in a web application which allows administrators to add and edit content in certain areas of the application. The editor component I have used automatically removes any script ...
7
votes
4answers
198 views

I anonymously submitted a security vulnerability, but it was not resolved. What now?

This is more or less a continuation of my previous question: As a student, how do I safely and responsibly disclose a serious security issue in a school environment? More than four months on after I ...
-1
votes
3answers
62 views

What is the future of exploitations? [closed]

With the advent of "Safe" languages like Rust, the prevalence of Software Correctness, and improved type checking in existing systems, memory based exploits are very hard if not possible at all, to ...
-1
votes
1answer
62 views

Does it make sense to restrict the usage of Metasploit in Penetration testing exams ? [closed]

In some PT exams (mainly Offensive Security's) they restrict the usage of Metasploit or any automated attacking tool and allow only for manually written\compiled codes from public exploit sites such ...
2
votes
0answers
38 views

Was the OSX/iOS Airdrop flaw real?

One exploit has caught my eye, mainly due to the possibility of malware incorporating it infecting businesses and schools. This exploit is, as you may have guessed from the title, the OSX/iOS Airdrop ...
3
votes
1answer
107 views

Methods root can use to elevate itself to kernel mode

When most Linux users hear "root", they think of the maximum possible privilege on a computer. Some even think that root runs in ring 0. But in reality, root is just a regular user running in ring 3, ...
16
votes
2answers
2k views

Could you write custom data to a file of a specific extension and use it to hack a program once it opens the file?

From what I understand file extensions don't really affect the data contained within them at all. They just give your computer a hint of what the data is, how it's structured and your computer then ...
0
votes
1answer
34 views

What do the [-], [+], [!] line prefixes mean in exploit outputs?

When you're using exploits, in the output, every line is prefixed with a symbol inside a set of square brackets. For example: [+] Set arguments. [-] Running exploit. [!] Warning server returned 404. ...
2
votes
3answers
328 views

Install a vulnerable service for Windows 7

I have some kind of a project or demonstration, where I have to exploit Windows 7 to get a remote shell. I did a vulnerability scan with nessus on my Windows 7 machine, but I didn't find any kind of ...
2
votes
1answer
599 views

With Ubuntu on Windows 10, could exploits and malware that work on Ubuntu (or related distros) work on Windows? [closed]

So apparently Hell has finally and completely frozen over: the next major update for Windows 10 will be able to natively run Bash, related tools, and even some broader set of Linux binaries/programs ...
3
votes
2answers
95 views

Is it possible to crack g++ rand()?

So, I have this: I know that some code was used to generate a random sequence, and it looked roughly like this: #include <iostream> #include <string> int main() { const std::string ...
2
votes
2answers
199 views

Remote OS command injection - tests

ZAP scanner found Remote OS command injection. Is there any foolproof way to check if this works and is not a false positive? I have tried to make it sleep 50 seconds but it's not something I can ...
0
votes
1answer
54 views

Malicious tracking script being served from google server to circumvent block lists

I've found some bad JS that tries to open pop-unders and even deliver a likely malicious SWF file for a flash exploit. Thing is, its stored on a google server in a directory it really shouldnt be. ...
2
votes
3answers
75 views

Should it considered a risk if an organization's server OS and version information is leaked? [duplicate]

I am assuming that it should be considered a risk because there may be several security issues of various OSes known to hackers. If a hacker gets access into the victim's network, the extra knowledge ...
-3
votes
2answers
204 views

How to find Use-After-Free vulnerbilities? [closed]

I followed a lot of tutorials about the exploitation of UAF vulnerabilities, but there was never explained how to find and detect uaf vulnerabilities in javascript or html (i.e. with a static analysis ...
1
vote
0answers
99 views

Windows 7 remote desktop access to utilman or stickykeys?

Is anyone aware of a windows 7 procedure where the attacker is able to access the host machine remotely via RDP on port 3389, and implement the utilman and/or stickykey exploit? afaik the utilman ...
1
vote
2answers
68 views

Is it possible to plan for race conditions?

Is it possible to plan for race conditions, so that you can execute specific commands at a specific time? For example, the following code is vulnerable to a race condition. Is it possible to modify ...
6
votes
2answers
218 views

Cost of finding vulnerabilities vs developing exploits

From the perspective of someone who wants to develop a zero-day exploit against some software application or target, there are broadly speaking two tasks that the attacker must do: (1) find a new ...
2
votes
1answer
284 views

How to exploit a Use-After-Free vulnerability?

I want to learn more about use-after-free vulnerabilities and found this tutorial. Yet I don't understand it very well and hope for an explanation of how it works.
3
votes
2answers
179 views

Should ability to access login page after authentication be considered a security flaw?

On one of the recent engagements, I bumped into something I have not seen before: after successful authentication attempt the user still can access the login web page and login as another user. It ...
0
votes
2answers
143 views

Are regular expressions vulnerable to code injection?

Aside from having an excessive input length, is there a way of doing an exploit with a regular expression (assuming the underlying language/platform is secure)? Practically I was wondering if the ...
4
votes
1answer
89 views

Armitage check exploit

I am with all fairness not the most experienced penetration tester, I am doing an industry placement where I can improve my skills. I am using Armitage in Kali Linux to check for vulnerabilities in ...
4
votes
2answers
490 views

I think my site was hacked. Can someone explain the “GET / HTTP/1.0” garbage in my Apache log, and what it's doing?

Please see below the log entry from the hack, I have decoded the base_64 code and ultimately some files are dropped onto the server and a directory listing becomes available among other niceties! ...
1
vote
1answer
39 views

What purpose is served by repeated connection resets?

My server logs are being filled with Connection Reset by xxx.xxx.xxx.xxx [preauth]: $ cat /var/log/auth.log | grep 'Connection Reset' Mar 13 19:52:30 server sshd[29366]: Connection reset by xxx.xxx....
2
votes
1answer
114 views

Sqlmap, how to move forward? [duplicate]

So, I'm using Sqlmap for a while now to test the security for my company (we're too small to have IT guy and I'm the closest they got for now), I already managed to access the database remotely and ...
0
votes
0answers
82 views

How can I partially overwrite the EIP in order to bypass ASLR?

As far as I know, it is possible to overwrite the unchanged part of the EIP to bypass ASLR protection. Unfortunately, I do not understand how this can help me in order to jump to the location of my ...
3
votes
2answers
151 views

My Apache server is regularly challenged with vulnerability attacks: Do I need to worry?

When I look into my access logs: I find a lot of suspicious activity that looks like attempts to gain administrative access to my system using vulnerabilities from known web software products such as ...
3
votes
1answer
87 views

ROP chain on x64, get rid of nulls

So I have this ROP chain for x64 architecture: 0x0000000000400b60: pop rdi; ret; 0x482cf5 0x68732f6e69622f ('/bin/sh') 0x401550 <system> In Payload: \x60\x0b\40\x00\x00\x00\x00\x00\xf5\x2c\...
1
vote
0answers
62 views

Encrypted Malicious Traffic Database

I was working on a little research project to correctly identify the encrypted traffic pattern generated by various tools/applications for example metasploit (or increase the success rate). I have ...
1
vote
1answer
131 views

How to use metasploit java exploit with custom payload?

I've been testing Java metasploit exploits on my VMs for some college assignment. I tested exploit/multi/browser/java_atomicreferencearray and it works great but with one of metasploits payloads from ...
1
vote
1answer
50 views

How do you remotely BOF without knowing source code? [closed]

I have two questions. Note that I have very basic understanding of how BOF works, but don't know the exact mechanism or anything beyond what an ordinary computer user knows. My understanding of BOF ...
4
votes
2answers
93 views

How do self-contained executable program exploits work, when considering virtual memory?

My understanding of virtual memory is that the operating system allows each process to have access to the entire pool of memory, and creates this illusion by paging. As a consequence, a program can ...
0
votes
0answers
26 views

GDB trace questions regarding register overflow. Anybody can explain it?

GDB Traces on x64 machine (gdb) disassemble main Dump of assembler code for function main: 0x000000000040050c <+0>: push %rbp 0x000000000040050d <+1>: mov %rsp,%rbp ...
-4
votes
1answer
122 views

How is it technically possible for Apple to unlock the San Bernardino shooter's iPhone? [duplicate]

If the iPhone of the San Bernadino shooters is locked, how would it even be possible for Apple to acquiesce to the FBI's request for them to unlock the phone? Does that mean Apple has some kind of "...
0
votes
1answer
194 views

Does it Matter That Universal Windows Platform (UWP) is Open to Phishing Attacks?

A few years ago (a little over three now to be exact), I brought up what I consider to be a rather obvious (and serious) security issue with the Universal Windows Platform (UWP): The ability to use ...
4
votes
4answers
185 views

Why there are so many web servers which get exploited by generating obfuscated files?

TL & DR How do those obfuscated files many users complain on this SE-site about get on their systems? And after that, even more interesting how they get executed? Is this caused by the way php ...
1
vote
1answer
104 views

Exploit Stack Based buffer overflow (x64) while controlling rbx register

I can control these registers: (gdb) i r rax 0x1 1 rbx 0x4141414141414141 4702111234474983745 rcx 0x7ffff760cf90 140737343704976 rdx ...
8
votes
0answers
610 views

Heap Buffer Overflow - AddressSanitizer output - what is needed to exploit this condition?

This is the AddressSanitizer output, for different input I get READ and WRITE errors. From Heap Buffer Overflow perspective which are more interesting? I want to execute my shellcode. Can somebody ...
-1
votes
2answers
81 views

Guidance towards exploit development and exploring codes [closed]

I am familiar with intel assembly ,c programming ,perl and linux kernel internals. I want to explore more through fuzzing , analyzing source code and developing exploits as well as proper safety ...
12
votes
5answers
2k views

Unknown process on my ubuntu machine communicating over multiple ports with UDP proto

I have a Django web application where the web app and the postgresql database are hosted on two separate Ubuntu-based machines. On my Database machine (and not my web application), if I run sudo ...
2
votes
2answers
111 views

why can't i overwrite stack frame

I'm currently reading Gray Hat Hacking The Ethical Hacker's Handbook, Fourth Edition and I have a question with an exercise in the book. The lab "Lab 10 - 1 Overflow of meet.c" is a lab in which we ...
3
votes
0answers
24 views

using “mount -o bind” in chroot

I have to provide a few, reasonably complete, chrooted ssh accesses to a very small system where disk space is at a premium. I was considering doing something along the lines: mkdir -p newroot/usr ...
2
votes
3answers
86 views

Can a curl request to an arbitrary url made sufficiently safe?

This is a follow up of another topic (Is allowing unfiltered curl request from a website a vulnerability?) on which I am doing some private research. Given: A publicly reachable webservice that ...