Internet Bug Bounty: Memory Leakage In exif_process_IFD_in_TIFF (CVE-2016-7128)

I found some vulnerable code that leads to the memory leak in exifprocessIFDinTIFF. Let take look at code chunk : if !ImageInfo-Thumbnail.data && ImageInfo-Thumbnail.offset && ImageInfo-Thumbnail.size && ImageInfo-readthumbnail ImageInfo-Thumbnail.data = safeemallocImageInfo-Thumbnail.size, 1, 0;...

Mail.ru: [api.login.icq.net] Open Redirect

https://api.login.icq.net/auth/cancel?f=1&k=1&supportedIdType=1&succUrl=http://example.com...

Shopify: "Remember me" token generated when "Remember me" box unchecked

Hi, This is a weird behaviour which regenerates secureadminsessionid cookie Steps to Reproduce : 1. Navigate to https://www.shopify.com/login 2. Enter credentials 3. Enter two factor code from authenticator Check cookie, There should be cookie named userauthtoken. I believe this token is...

itBit Exchange: No password length restriction denial of service

Hello , i am able to create a password with 1000000 words which fully leads to MySQL or server side Denial Of Service attack. You need to decrease password length :There are two reasons for limiting the password size. For one, hashing a large amount of data can cause significant resource...

Coinbase: Simultaneous Session Logon : Improper Session Management

Hi, I would like to report this bug related to improper simultaneous logon. Issue: 1 When a user is logged in to the application already authenticated, visits the login page https://coinbase.com/signin he/she should directly get redirected to their home page as there is already a session running...

Automattic: HTML form without CSRF protection

HTML form without CSRF protection Vulnerability description Cross-site request forgery, also known as a one-click attack or session riding and abbreviated as CSRF or XSRF, is a type of malicious exploit of a website whereby unauthorized commands are transmitted from a user that the website trusts...

HackerOne: Hackerone Email Addresses Enumeration

Enumeration of email addresses of already registered users is possible, and or, checking if a user with specific email address is registered in the website and will then be used for phising attacks or any malicious intent. In the "Forgot Password" section, there is an implemented security measure...

Nextcloud: xmlrpc.php &wp-cron.php files are enabled, and will used for (DDOS),(DOS) and broutforce users attack.

The xmlrpc.php and wp-cron.php files were found to be enabled on the target website, which could allow attackers to perform denial of service attacks. Username enumeration via the RSS generator identified several valid usernames. The xmlrpc.php file could be used to cause a DDOS attack by sending...

HackerOne: IDOR vulnerability in unreleased HackerOne Copilot feature

An unreleased feature of HackerOne's Copilot was vulnerable to IDOR through a GraphQL mutation. By supplying another user's conversation ID, an attacker could have deleted conversations in the Copilot interface before this issue was addressed...

Internet Bug Bounty: POST following PUT confusion

The bug I submitted at https://github.com/curl/curl/issues/9507 can have at least a few unintended security issues: Information Disclosure: this bug causes an HTTP PUT to occur when the user intends for an HTTP POST to occur. The user, who intended an HTTP POST, expects the POSTed information to...

Nextcloud: A vulnerability classified as critical has been found in gsi-openssh-server 7.9p1 on Fedora (Connectivity Software) on server (http://95.217.64.181:22

Summary: " hello " vulnerability: GSI-OPENSSH-SERVER 7.9P1 ON FEDORA /ETC/GSISSH/SSHDCONFIG CREDENTIALS MANAGEMENT Description of problem: A vulnerability classified as critical has been found in gsi-openssh-server 7.9p1 on Fedora Connectivity Software on server http://95.217.64.181:22. This...

curl: CVE-2022-32221: POST following PUT confusion

Summary: The bug I submitted at https://github.com/curl/curl/issues/9507 can have at least a few unintended security issues: - Information Disclosure: this bug causes an HTTP PUT to occur when the user intends for an HTTP POST to occur. The user, who intended an HTTP POST, expects the POSTed...

8x8 Bounty: Jitsi Desktop Client RCE By Interacting with Malicious URL Schemes on Windows

A command injection vulnerability was found in Jitsi Desktop Client before commit 8aa7be58522f4264078d54752aae5483bfd854b2 on Windows. This vulnerability could allow an attacker to execute arbitrary code by interacting with malicious URL schemes when launching browsers. The vulnerability has been...

GitLab: Unauthorized access

Hello Gents, I would like to report an issue where attackers are able to: 1. List about.gitlab.com GS bucket. 2. Access all resales through https://about.gitlab.com/all-releases.xml & https://about.gitlab.com/security-releases.xml, which contains undisclosed HackerOne reports. For Example: This...

curl: CVE-2022-32205: Set-Cookie denial of service

Summary: Curl fails to limit the number of cookies that can be set by a single host/domain. It can easily lead to a situation where constructing the request towards a host will end up consuming more than DYNHTTPREQUEST memory, leading to instant CURLEOUTOFMEMORY. Any host in a given domain can...

Stripe: Bypass global deny-lists by wrapping domains using "[]" in https://github.com/stripe/smokescreen

The Smokescreen proxy is an open source project written and maintained by Stripe to restrict the URLs that internal services can connect to. The primary use case for Smokescreen is to prevent server-side request forgery SSRF attacks in which external attackers leverage the behavior of our...

Cloudflare Public Bug Bounty: API docs expose an active token for the sample domain theburritobot.com

A screenshot featured on API token creation documentation page exposed a valid API token with permissions sufficient to modify DNS records of one of Cloudflare’s demo zones. The token has since been revoked...

Zomato: Race condition in User comments Likes

The researcher found a Race Condition to artificially inflate the upvotes of user comments in the Restaurant's review section...

Lacework: Broken link profile in the website leads to identity theft.

Hi, I have found the Broken link profile in the website where the attacker can perform identity theft. Summary : When a web application has any pages, sources, links to external 3rd party services and are broken then the attacker can claim those endpoints to successfully conduct the attack and...

QIWI: Subdomain Takeover on 1c-start.tochka.com pointing to unbouncepages

Actuall this report is same as of this one:- https://hackerone.com/reports/38007 Subdomain takeover vulnerabilities occur when a subdomain subdomain.example.com is pointing to a service e.g. GitHub pages, Heroku, etc. that has been removed or deleted. This allows an attacker to set up a page on t...

Stripo Inc: Stored XSS at Module Name

Summary: Hello, I found stored xss at module name with this payload "Hello : Steps To Reproduce: 1. Add new container, it doesn't matter which is it 2. Paste this payload in the module name"Hello : 3. Update it then check the module name again in setting 4. Alert Popup Stored XSS Stored cross-sit...

Topcoder: IDOR at https://fast.trychameleon.com/observe/v2/profiles/ via uid parameter discloses users' PII data

Summary: Hello, A API on apps.topcoder.com/forums/ exposes the email of any user on topcoder.com and some PIIs name, surname, id. Steps To Reproduce: 1 Create a profile at topcoder.com 2 Go to apps.topcoder.com/forums and login forum 3 Entery any topic example:...

Nextcloud: Acting under any different user via DB-stored credentials

The issue is related to all Nextcloud versions. It is not patched yet. All versions 18-20 seems to be vulnerable. The issue came up in the following environment: - nextcloud docker image 20.0.2 and 20.0.3 - LDAP authentication - external SMB shares via DB stored credentials The problem came up...

GitHub Security Lab: [javascript] CWE-90: CodeQL to detect LDAP Injection

This bug was reported directly to GitHub Security Lab...

VK.com: XSS Reflected in m.vk.com

XSS on the wall in m.vk.com...

U.S. Dept Of Defense: https://████ is vulnerable to cve-2020-3452

Description: A vulnerability in the web services interface of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks and read sensitive files on a targeted system. The...

Mail.ru: SSRF at jira.plazius.ru - CVE-2019-8451

SSRF via CVE-2019-8451 in jira.plazius.ru due to unpatched Jira version...

curl: Curl_auth_create_plain_message integer overflow leads to heap buffer overflow

Summary: There is an incorrect integer overflow check in Curlauthcreateplainmessage in lib/vauth/cleartext.c , leading to a potential heap buffer overflow of controlled length and data. The exploitation seems quite easy, yet the vulnerability can only be triggered locally and does not seem to lea...

Nextcloud: External storage app saves password for all users in the database

External storage filesexternal app save passwords of all users to database table "occredentials" even when "Log-in credentials, save in database" option is not used. It's a security risk that allow password extraction of all users. A local system admin that has access to database and nextcloud...

U.S. Dept Of Defense: Unrestricted file upload leads to stored xss on https://████████/

Summary: When the user want to upload a "certificate", the web app doesn't check the content-type of the file. A user can upload any kind of file binary,html,... Step-by-step Reproduction Instructions 1. Create an account at https://██████/████████/app/registration/basic-info 2. When you are...

Starbucks: Korea - LFI Server directory traversal at starbucks.co.kr

b4bilal discovered a misconfiguration when handling URI paths. This permitted an adversary to traverse the docroot and access non sensitive resources that are normally unavailable to web users. @b4bilal — thank you for reporting this vulnerability and for confirming the resolution...

Kubernetes: Clickjacking

Report Submission Form Summary: Clickjacking is an attack that tricks a user into clicking a webpage element which is invisible or disguised as another element Description: Clickjacking User Interface redress attack, UI redress attack, UI redressing is a malicious technique of tricking a Web user...

Razer: Reflected XSS in eform.molpay.com

The tester discovered a reflected XSS on eform.molpay.com. This was fixed in production on Feb 12. Razer Fintech thanks the tester for his diligence and clear PoC...

Magic: HTTP SMUGGLING EXPOSED HMAC/DOS

HTTP SMUGGLING EXPOSED HMAC / DOS Using the transfer-encoding header and following it with a zero. The back end leaked the hmac the back end reflected back the hmac key encryption type, and a lot of details. Further testing had it reflect more headers. http-smuggling-dashboard-fortmatic.png we wi...

Showmax: Open Redirect in secure.showmax.com

The hacker submitted open redirect vulnerability in one of our payment method flows. The vulnerability could have been also used to perform XSS attack. write-up: https://medium.com/@ahmadbrainworks/bug-bounty-how-i-earned-550-in-less-than-5-minutes-open-redirect-chained-with-rxss-8957979070e5...

U.S. Dept Of Defense: [CVE-2018-0296] Cisco VPN path traversal on the https://██████████

The Cisco VPN vulnerability CVE-2018-0296 was discovered in a previously unidentified instance in the DOD network. The vulnerability allowed path traversal, which could have been exploited to disclose sensitive information such as VPN sessions and files. The issue was addressed by updating to a...

Monero: Remote P2P DoS

Remote P2P DoS resolved. https://www.activism.net/cypherpunk/manifesto.html...

curl: An integer overflow found in /lib/urlapi.c

Summary: libcurl contains a heap-based buffer overrun in /lib/urlapi.c. A similiar issue to CVE-2018-14618. Steps To Reproduce: analysis I found a potential integer overflow which may lead to a buffer overrun in /curl/lib/urlapi.c. In function seturl, urllen was multiplied by 2 and then passed to...

Monero: CryptoNote: remote node DoS

Summary: Remote node DoS. See patch below. Releases Affected: All Monero versions, including the recent v0.14.0.2. Possibly all CryptoNote implementations that aren't Zano. Steps To Reproduce: Since this is currently a theoretical attack, non-code PoC detailed in the patch below. Supporting...

Postmates: Web cache poisoning attack leads to user information and more

Hello, Your Web-Server is vulnerable to web cache poisoning attacks. This means, that the attacker are able to get another user informations. If you are logged in and visit this website For example: https://postmates.com/SomeRandomText.css Then the server will store the information in the cache,...

QIWI: XXE on ██████████ by bypassing WAF ████

XXE on ■■■■■■.qiwi.com with WAF bypass The endpoint on ██████ accepts a POST request with an XML document. A Web-Application Firewall WAF successfully blocked all requests that contained any of the keywords !DOCTYPE, !ENTITY or !ELEMENT, that are necessary for XXE attacks to be successful. Howeve...

New Relic: WordPress username enumeration (/author)

@rootbakar identified a previously-reported issue where authors could be viewed from an endpoint within our WordPress blog. As authors are intended to be public, this was closed as not having any security impact to the blog...

Dropbox: Stored XSS in dropboxforum.com

This report described a vulnerability where an attacker could put a specially crafted payload into the reply section of threads on dropboxforum.com to bypass the HTML filter on the site. This enabled a stored XSS attack against anyone viewing the message. This was an issue in Lithium forum...

Internet Bug Bounty: XML hash collision DoS vulnerability in Python's xml.etree module

Python's standard library uses libexpat to parse XML. Internally the expat library has a hash table implementation to efficiently store and lookup DTD elements like entities, elements, attributes, etc. Hash tables are potentially vulnerable to hash collision Denial-of-Service attacks, which turns...

Shopify: Open redirection in OAuth

steps to reproduce: 1-Open your shopify partner account. 2-Create an app and click on test your app. 3-Select a development store you own. 4-Intercept the request using burpsuite and change the "installappSelect a store" parameter to any store with no validation. The request like this: POST...

Node.js third-party modules: [express-cart] Customer and admin email enumeration through MongoDB injection

I would like to report an injection in express-cart It allows to enumerate the email address of the customers and the administrators. Module module name: express-cart version: 1.1.7 npm page: https://www.npmjs.com/package/express-cart Module Description expressCart is a fully functional shopping...

Starbucks: Subdomain takeover on svcgatewaydevus.starbucks.com and svcgatewayloadus.starbucks.com

Hello, This is fairly close to this report however these are different subdomains than the one in the report. This can be pretty serious since I can server virtually anything I want. In the 45 minutes I've held the domain I have served to 341 unique IP addresses. Two starbucks.com subdomains are...

Nextcloud: File access control rules not enforced on image files

Installed Nextcloud from Snap package version 13.0.2snap1, revision 6916 on fresh Ubuntu 18.04 LTS install. 2. Installed and enabled Files access control v1.3.0 and Files automated tagging v1.3.0 apps. 3. As an administrator created an invisible collaborative tag Secret. 4. Added Files automated...

Ed: Session Cookie Without Secure Flag

Hi Ed, The bug mentioned in the report 343095 is not yet correctly patched I believe. Previously, the Researcher reports that the cookiegitlabsession is not Secure Missing Secure Flag and u closed that report as Informative and said that "Expoitability of this issue is so low that it does not...

Monero: Buffer out of bound read in miniupnpc xml parser

Summary: This is a buffer oob read vulnerability in miniupnpc when parsing xml response. This vulnerability could result in denial of service attack in monero client to in local area Network. Description: In miniupnpc, file "Minixml.c": The funnction parseelt: static void parseeltstruct xmlparser...