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Questions tagged [bug-bounty]

Related to design, workings and operation of bug bounty programs. Do not use for questions about finding and exploiting bugs in general, or questions that are not explicitly about vulnerability reward programs.

81
votes
5answers
19k 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 ...
1
vote
1answer
75 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 ...
0
votes
1answer
132 views

Sql injection bypass against KONA(akmai) WAF

I have been trying to find sql injection against a site in bug bounty.I tried a few parameters via sql map.One such query was shown to be injectible. Parameter: query (GET) Type: boolean-based ...
0
votes
0answers
22 views

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 ...
11
votes
2answers
306 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 ...
1
vote
2answers
571 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 ...
0
votes
1answer
133 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 ...
3
votes
3answers
214 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 ...
2
votes
0answers
72 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 ...
2
votes
1answer
75 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 ...
1
vote
3answers
150 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 ...
3
votes
0answers
147 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 ...
7
votes
1answer
190 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 ...
5
votes
1answer
419 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 ...
2
votes
1answer
2k views

XSS in a jpeg file

I saw today this report: https://hackerone.com/reports/191380. There, the hacker uploaded a file with JavaScript in it, which he could successfully trigger that code. But I do not understand two ...
4
votes
1answer
1k 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....
1
vote
1answer
358 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?
5
votes
1answer
402 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 ...
1
vote
1answer
327 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 ...
0
votes
1answer
383 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. ...
3
votes
2answers
183 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 ...
1
vote
2answers
134 views

web applications available for testing?

Is there any way to get hands-on experience with Web Application testing while not working as a tester? Are there any initiatives where people post their production and real-world apps for people to ...
3
votes
2answers
520 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 ...
1
vote
1answer
368 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 ...
8
votes
3answers
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 ...
-5
votes
4answers
482 views

Should companies use Crowd Source Audit Platform for Manual Penetration Test?

As a CIO, CISO, CTO or Sys Admin, would you use a crowd sourced platform for penetration tests in order to improve your security issues? LE: So most of you guys downgrade, and said it's wrong to have ...
16
votes
3answers
2k 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 ...