Questions tagged [bug-bounty]

Related to design, workings and operation of bug bounty programs. DO NOT use for questions about specific vulnerabilities, attack methods or anything unrelated to the mechanics of vulnerability reward programs.

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File can upland bug works on my localhost but it's not working on the server [closed]

I am trying to find bugs in a source code in php and I found this <?php $Key=$_POST["key"]; $FileName=$_POST["filename"]; $FileData=$_POST["filedata"]; $Key=...
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-2 votes
1 answer
31 views

CORS attack using authentication token [closed]

I found a website which is vulnerable to cors.(https://portswigger.net/web-security/cors) GET /api/requestApiKey HTTP/1.1. Host: vulnerable-website.com. Origin: https://evil.com. AUTHENTICATION: ...
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1 answer
25 views

What is the wisdom of using the ASCII function in exploit SQLi?

I mean, I can exploit the vulnerability using a substring function and without using an ASCII function like: SELECT username FROM users WHERE id = 1 AND (SELECT substring(password,1,1) FROM users ...
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0 votes
1 answer
222 views

CORS request is not sending Authorization: Bearer <value> header

When loggin in to a website, A Bearer token is generated and echoed back from the server in a JSON reponse. After this, each request sends the generated token in the Authorization: BEarer header. ...
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1 vote
1 answer
129 views

Does .NET Framework have a bounty program?

The Microsoft .NET Bounty Program states that "Vulnerabilities in the .NET Framework, or any ASP.NET framework running on .NET Framework (Webforms or MVC)" is out of scope. Is .NET Framework ...
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1 answer
87 views

Can I escalate a main domain SSTI/RCE to all the subdomains belonging to that domain?

I'm a newbie ethical hacker and bug bounty hunter. Lets, assume my target is somethingtohack.com, the thing is the company's scope defines that the main domain is out of scope, but subdomains like ...
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2 votes
0 answers
112 views

Does Windows Server ship with any sensitive images in the filesystem?

I'm working with an interesting vulnerability I found which enables local file inclusion (LFI) on a target server. In summary, there is a PDF generation API endpoint which accepts an HTML string as ...
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2 votes
1 answer
229 views

What to do if bug bounty program is unresponsive?

Over a year ago, I have reported a few security vulnerabilities to one of the top bug bounty programs on HackerOne. All of them have been quickly triaged as critical, but no progress was made towards ...
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1 vote
0 answers
126 views

Automating Clickjacking Attack

I found a clickjacking issue in a site and the site security team said me that i would require unusual user interaction. So I wrote a code above the iframe but I was not successful in achieving it. ...
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1 vote
1 answer
247 views

What are criteria and rules to determine bug bounty amounts? [closed]

How is the reward amount determined on different bug bounty platforms like Bugcrowd, HackerOne or Synack? As a bug bounty program owner I can maybe define some rules for the rewards. What are the ...
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53 votes
3 answers
14k views

Could bug bounty hunting accidentally cause real damage?

If an application's code contains even minor and subtle inaccuracies, it can open up the entire database to SQL injection. In this example (see section 'Delete All Method'), the entire Users table ...
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37 votes
4 answers
8k views

Why is social engineering often excluded from bug bounties?

I noticed a lot of companies do not have social engineering as in-scope of bug bounties/responsible disclosure guidelines, even though it is often used in real-world attacks. I understand that for ...
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0 votes
1 answer
521 views

windows 10 showing me that bWAPP contains a reverse shell

i have downloaded bwapp from official site and windows 10 defender showing me that it contains a reverse shell ( i know these things are there for practice ) but in earlier days it is not showing that....
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2 votes
2 answers
613 views

Password reset link vs Temporary password

Which is harder to exploit: Password reset link with tokens/timestamps/code/ticket etc Or, temporary password sent on user mail using which login can be done and password can be changed. Any ...
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3 votes
1 answer
192 views

How to fairly pay out bug bounties without going over budget?

I work for a small company and for our webapp, we want to offer bug bounties for vulnerabilities reported with monetary rewards based on criticality. Problem is we only have a limited overall budget ...
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0 votes
2 answers
833 views

How do I sell critical vulnerability info to private company? [closed]

Here is the story. There is a private company, that has some software product that is used by thousands of its customers. After spending few sleepless nights on reverse engineering that product, I ...
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0 votes
1 answer
325 views

secp256k1 GPG key?

Given that secp256k1 is used to underpin the entire Bitcoin network (worth $174B as of today) -- it appears to offer demonstrably better security than other EC curves as no one has yet taken the ...
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2 votes
1 answer
114 views

Platform Identification In Bug Bounty

What is the importance of identifying our target's web platform? I have recently watched the video 'DEF CON 23 - Jason Haddix - How to Shot Web: Web and mobile hacking in 2015' from youtube and he ...
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-1 votes
1 answer
83 views

Sack team_id leaking in source code [closed]

I found slack team_id in vdp source code, is it a sensitive token if yes how can I use it for a PoC?
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1 vote
0 answers
46 views

Report security vulnerability [duplicate]

I need to understand how to report a security vulnerability on a web application, given the website owners have no such bug bounty programs. Brief information on target: The website is built to ...
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-2 votes
2 answers
295 views

is passive mixed content actually exploitable?

i see everywhere posts of people saying mixed content like images could lead to an attacker replacing the images beeing loaded from http to https, however i couldn't exploit this after hours testing ...
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3 votes
0 answers
82 views

Bug in pay by phone screen accepts credit card information [duplicate]

I recently noticed some strange behavior in a pay-as you go mobile hotspot service when I was adding money to my account via phone. I forgot my pin so I guessed. I was wrong. I guessed again, and it ...
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5 votes
1 answer
444 views

Is it bad practice to remove a resolved report from Open Bug Bounty archive? [closed]

An XSS vulnerability report was made via Open Bug Bounty, which was fixed, confirmed and a reward was made. The reporter has marked the issue was resolved. They have further offered to remove the ...
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83 votes
5 answers
22k views

How to proceed with a white-hat hacker claiming a vulnerability?

I am a security member of a small company which recently got contacted by someone claiming to be a Hackenproof member. They were reporting on our website being indexed by googlebot (metadata, thin ...
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1 vote
1 answer
179 views

Probing Unsubscribe Link Vulnerabilities [closed]

I'm interested in testing the security of 'Unsubscribe' links embedded in emails sent to customers by large companies. I'm targeting companies participating in a certain bug bounty program, and my ...
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Bug bounties - Reported a bug to a company nothing as been done [duplicate]

I've discovered a bug in an order page from big American company in April 2017. I've reported the bug to said company and they haven't done a thing, I email them from time to time but the bug is ...
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13 votes
2 answers
525 views

How to deal with responsible disclosure "catch and kill"

My coworkers and I discovered a significant security issue in a popular cybersecurity tool, which shall go unnamed here for reasons that will become obvious. We reported the issue to the tool's ...
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5 votes
2 answers
6k views

What does Zerodium do with their bought exploits and bugs? [closed]

I came across the cybersecurity company Zerodium. They offer bigger bounties than most of the companies calling for bug hunters: Because of the bigger bug bounties, bug hunters sell their found ...
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0 votes
1 answer
214 views

Trying to learn bug-bounties, how do I use the practice sites like hackthissite and hacmebank?

Do I just attack those sites while they're live, or is there a way to download the site to attack offline? The reason I'm curious is because if those sites are vulnerable and being used for practice ...
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3 votes
3 answers
254 views

How should we implement responsible discovery program internally only for our organization employees?

We experienced a very interesting phenomenon in the last 6 months and that is that some employees found and reported to our security teams few very crucial security issues. We were thinking about ...
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2 votes
0 answers
168 views

Ethical Hacking/Bug Bounty programs: Best way to get started professionally? [closed]

I am self-employed (degree in computer science) and I have been fighting a serious illness for the past several years (and still am) which makes it pretty much impossible to take on client projects as ...
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2 votes
1 answer
126 views

CSRF Testing. Validation Error 422. Locale Required

So I'm testing this site for coursework and I think it might be vulnerable CSRF however when I try to make a post request I get a validation error which says "locale" is required despite me specifying ...
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1 vote
3 answers
666 views

Receiving a response that is PGP encrypted

I work as a software engineer, yet with limited experience in cryptography. I have a practical issue, not so much a technical question, related to a PGP-encrypted mail exchange I've had. Lately, I ...
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3 votes
0 answers
216 views

Is possible attack vector? [closed]

So I was bored and decided to get into some bug bounty hunting. I went on a website that has a bug bounty program and this website is for downloading apps. I went to the enter a gift card code field ...
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8 votes
1 answer
337 views

Bug bounties - Shoud I report 0days in third-party components?

Assuming that: Vulnerabilities in third party components are not explicitly excluded in the scope of the program. The issue is reproducible in the specific target. Should I report the issue to the ...
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6 votes
1 answer
859 views

What are some options for a small company on a budget to maintain a bug bounty program? [closed]

I work for a B2B SaaS startup that doesn't have a lot of money (we're 6 people, 2 developers, have about 6 months of runway, and $25K monthly revenue, < 50 customers). Common advice that I've seen ...
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4 votes
1 answer
2k views

Function of %5c.. in a path traversal

I've recently come across this blog post of a bug bounty hunter. Apparently, a path traversal vulnerability was discovered, which looked like this: http://help.example.com/@app/skin/views/%5c../%5c....
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1 vote
1 answer
535 views

Attacker can check external IP from a SSRF vuln?

I'm testing for SSRF vulnerabilities so my question is; can I check external IP (from another computer on the network) from a SSRF vulnerability?
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5 votes
1 answer
478 views

What is this user trying to do?

I work with a company that creates marketing software, we recently created a forum so we could talk with users who need support. I'm the main admin on this forum and a user, let's call them person1 ...
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1 vote
1 answer
991 views

Cross site styling vulnerability? [duplicate]

I stumbled across a "vulnerability" that allows me to include an arbitrary css stylesheet in a website. I understand that this is potentially a tool for csrf or stealing url parameters. But on its ...
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0 votes
1 answer
805 views

Is Session Fixation a tough one to resolve?

Just found session fixation vulnerability in couple of tech giants. Giving the steps I have done: 1. Login to your account in a browser (Browser 1). 2. Extract cookie using cookie extractor. 3. ...
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2 votes
2 answers
269 views

Contacting customers of vulnerable software, is it wrong?

Say you're a security researcher who finds vulnerabilities and reports them to vendors to try and receive a bug bounty. If the vendor is not willing to pay any bounty for any vulnerability, you simply ...
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6 votes
2 answers
1k views

Why do several bug bounties ignore user enumeration?

While viewing bug bounties, I noticed that most of the bug bounties list the user enumeration in the excluding list. For instance brute forcing user accounts, forget password forms would generally ...
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1 vote
1 answer
538 views

Worst-case scenario OPEN URL REDIRECTION and why google not covering it in bug bounty

OPEN URL REDIRECTION as per in my opinion can be proved very dangerous by crafting attacks such as phishing. But it seems like google thinks it as a very low level bug and does not provide any ...
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9 votes
3 answers
1k views

How to work effectively to win bug-bounties?

I really want to prove myself (to my parents) by winning a proper bug bounty How should I best prepare for this and go about actually finding bugs? Edit So can anyone give some web sites which ...
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  • 199
-5 votes
4 answers
529 views

Should companies use crowd source audit platforms for penetration tests? [closed]

As a CIO, CISO, CTO or Sys Admin, would you use a crowdsourced platform for penetration tests in order to improve your security issues? Google, Facebook, PayPal and other big companies have a Bug ...
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17 votes
3 answers
3k views

Which companies facilitate payment in return for vulnerability disclosure?

If requesting payment from an affected party directly for the disclosure of vulnerabilities is considered extortion, how can independent security researchers earn a living or side income from ...
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