HackerOne: Uploading large payload on domain instructions causes server-side DoS

This was a DoS vulnerability in a specific endpoint that didn't limit the size of the upload. As explained in the hacker summary, we limited the payload to mitigate the attack. Note : To everyone who sees this report, if a program accepts DoS vulnerabilities please try to try test carefully as it...

HackerOne: Near to Infinite loop when changing Group's name that has API token as Team Member

Summary: The https://hackerone.com contains an iteration or loop with an exit condition that is near to infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory and even a DoS attack. Description: Hello...

Open Sesame - A Tool Which Runs To Display Random Publicly Disclosed Hackerone Reports When Bored

A python tool which runs to display random publicly disclosed Hackerone reports when bored. Automatically opens the report in browser. Contains Over 8k Publicly disclosed Hackerone reports and addtl. wordlist of 700 bug bounty writeups. This is a productivity tool for security enthusiasts and bug...

HackerOne: GraphQL field on Team node can be used to determine if External Program runs invite-only program

On 19th May, A new parameter policymarkdownhtml been introduced inside the team Graphql query. Using Graphql query, We can able to determine External program running privately on Hackerone as policymarkdownhtml parameter was able to fetch private internal policy. Note: Using this parameter, it wa...

Kubernetes: Private RSA key and Server key exposed on the GitHub repository

Report Submission Form Summary: I was searching for sensitive data in Kubernetes repository where I found these private keys. These are private RSA key and private server key, which could be used for unauthorized access. Steps To Reproduce: VISIT THESE LINKS Repository : kubernetes / kubernetes...

HackerOne: Unauthorized access to metadata of undisclosed reports that were retested

Summary: reportretests object in User node discloses some information about undisclosed report Description: An attacker can get some infomation such as "assetname" , "assettype" , "severityrating" , "weaknessname" of undisclosed report Steps To Reproduce 1. Invoke the below graphql call POST...

HackerOne: Disclosure of the name of a program that has a private part with an external link

Summary: Hi team , @jobert , @bencode . Not so long ago, you made an output to the program panel of information about whether the program has the function- retest. Also, this is reflected in the report by the attribute activeretestsubscription. It seems that it is reflected in publish reports tha...

HackerOne: The hacker has access to the administrative part of the management reports in publish report

Summary: Hi team, @jobert, @bencode . At the moment, I'm not entirely sure that this has a strong effect. But I also assume that this should not be on behalf of the hacker, and also in the future it may create problems, for example when you add new statuses for the report and they will have some...

Node.js third-party modules: Prototype Pollution lodash 4.17.15

I would like to report Prototype Pollution in lodash version 4.17.15 It allows Denial of Service and more. Module module name: lodash version: 4.17.15 npm page: https://www.npmjs.com/package/lodash Module Description The Lodash library exported as Node.js modules. Module Stats 27M in the last wee...

Exploit for Path Traversal in Gitlab

Python Exploit for gitlab private instance arbitrary file read...

U.S. Dept Of Defense: No Rate Limiting on https://██████/██████████/accounts/password/reset/ endpoint leads to Denial of Service

Summary: No-Rate Limit on Password reset endpoint results mail-spam functionality to be abused. Additionally, the password-reset link remain the same after each request. Description: Malicious user could Spear-target █████████ user mail and Spam it for as many requests as he would like. Possible...

Critical GitLab Flaw Earns Bounty Hunter $20K

A critical GitLab vulnerability, which could be leveraged by a remote attacker to execute code, recently netted a researcher a $20,000 bug-bounty award. The flaw was reported to GitLab by software developer William Bowling via the HackerOne bug bounty platform on March 23. It was then disclosed...

Elastic: Remote Code Execution in coming Kibana 7.7.0

Summary: Kibana 7.7.0 as per commit c5f682cb is vulnerable to a remote code execution vulnerability that is similar to the one reported in https://hackerone.com/reports/852613 Kibana 7.7.0 is not released, so this is an experiment. I know that getting these reports is more valuable to Elastic pri...

HackerOne: Potential stored Cross-Site Scripting vulnerability in Support Backend

HackerOne maintains an internal Support Backend system for employees. On the internal user profiles for hackers, a small overview is shown that lists the skills the user tagged their penetration tester profile with. Although the skills are currently managed by HackerOne and a user can only pick...

Tencent Ups Top Bug-Bounty Award to $15K

The Tencent Security Response Center TSRC is launching an expanded bug-bounty program, via the HackerOne white-hat platform – and the company has increased its top reward to $15,000. Tencent, a China-based global internet service provider, is opening up its existing bug-bounty program to...

Topcoder: SVG file upload leads to XML injection

Summary: Upload Avatar option allows the user to upload image/ . Thus enabling the upload of many file formats including SVG files MIME type: image/svg+xml SVG files are XML based graphics files in 2D images. Thus, this opens up an attack vector to upload specially crafted malicious SVG files. Th...

CVE-2020-10977

GitLab EE/CE 8.5 to 12.9 is vulnerable to a an path traversal when moving an issue between projects. Recent assessments: wvu-r7 at June 09, 2020 10:49pm UTC reported: @zeroSteiner pointed us to this exploit chain today: . It uses CVE-2020-10535 to satisfy the authentication requirement. Note that...

Prototype Pollution

Overview All versions of utils-extend are vulnerable to prototype pollution. The extend function does not restrict the modification of an Object's prototype, which may allow an attacker to add or modify an existing property that will exist on all objects. Recommendation No fix is currently...

PlaySMS index.php Unauthenticated Template Injection Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'PlaySMS index.php Unauthenticated Template Injection Code Execution', 'Description' = %q This module exploits a preauth Server-Side Template...

HackerOne: Reflected XSS on www.hackerone.com and resources.hackerone.com

Good day : I hope your doing as well as can be during these difficult times. I have found xss at 2 endpoints: https://www.hackerone.com/resources/ and https://resources.hackerone.com The payloads that work are here:...