Internet Bug Bounty: Out of Bounds Memory Read in exif_scan_thumbnail

I have found and reported an out of bounds memory read in PHP exifscanthumbnail When PHP EXIF extension is parsing EXIF information from an image, e.g. via exifreaddata function, in PHP versions 7.1.x below 7.1.31, 7.2.x below 7.2.21 and 7.3.x below 7.3.8 it is possible to supply it with data wha...

Rockstar Games: The return of the ＜

In this report, the researcher was able to demonstrate a Stored XSS vulnerability in our Message system on the Social Club website. By taking advantage of the fact that '＜' characters are normalized to '.͓̮̮ͅ=sW&͉̹̻͙̫̦̮̲͏̼̝̫́̕...

Concrete CMS: Stored XSS in Conversations (both client and admin) when Active Conversation Editor is set to "Rich Text"

Hi concrete5 Team, Summary I've identified Stored XSS vulnerability in concrete5 Conversations module, when Active Conversation Editor is set to "Rich Text". An attacker is able to input malicious JavaScript, which is run in both client agains any site visitor as well as against any user logged...

Monero: Remote P2P DoS

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

Internet Bug Bounty: Local Privilege Escalation during execution of VeraCryptExpander.exe (UAC bypass)

Summary: Your VeraCryptExpander.exe is vulnerable to a Local Privilege Escalation UAC BYPASS during execution. The issue is located here: https://github.com/veracrypt/VeraCrypt/blob/a108db7c85248a3b61d0c89c086922332249f518/src/ExpandVolume/VeraCryptExpander.manifest...

Internet Bug Bounty: Uninitialized read in exif_process_IFD_in_MAKERNOTE

This bug is present in exifprocessIFDinMAKERNOTE method of ext/exif/exif.c file. Detailed description and steps to reproduce for this bug is present in bug report submitted to php.net. Bug Report : https://bugs.php.net/bug.php?id=77563 PHP version : 7.1.26 CVE-ID : 2019-9638 Impact Uninitialized...

Mail.ru: Open Selenoid instance at 188.93.63.186 leads to LFR/SSRF.

Externally accessible Selenoid instance in Mail.Ru Games network was vulnerable to LFR and SSRF via URI injection...

Versa Networks: Passwords Stored Insecurely

In Versa Director, Versa Analytics and VOS, Passwords are not hashed using an adaptive cryptographic hash function or key derivation function prior to storage. Popular hashing algorithms based on the Merkle-Damgardconstruction such as MD5 and SHA-1 alone are insufficient in thwarting password...

Open-Xchange: Username restriction bypass with SSL client authentication

Summary: Dovecot supports enforcing the login user name to be the one encoded in the SSL client certificate, thus restricting the username. Using SSL certificates that do not even contain the relevant field bypasses this restriction, maybe leading to full login bypass under some luckily rare...

GitLab: information disclosure of secret_key_base via encoding charcters

@pareshparmar discovered an error page that was disclosing the value of the secretkeybase key of customers.gitlab.com to unauthenticated users, which would have allowed an attacker to arbitrarily decrypt signed cookies. So I was fuzzing one parameter with different type of encodings. And one...

HackerOne: Unauthenticated user can upload an attachment to the last updated report draft

The newly launched beta embedded submissions form introduced the concept of anonymous submissions. When an anonymous user starts writing a report through an embedded form, a UUID will be generated to track their submission. Any object that is created will reference this UUID. We call this a trace...

Zomato: [www.zomato.com] Tampering with Order Quantity and paying less amount then actual amount, leads to business loss

Hi, Team, Like discussed with Prateek I am dropping the report here. Summary: Like the title says using this vulnerability one could order food at negligible price or keep all delivery executives busy. Description: While fuzzing my way through the payment flow on Zomato orders I came across a...

Node.js third-party modules: Command Injection Vulnerability in libnmap Package

I would like to report a command injection vulnerability in libnmap. It allows an attacker to inject arbitrary OS commands instead of a valid network range to be scanned. Module module name: libnmap version: 0.4.11 npm page: https://www.npmjs.com/package/libnmap Module Description API to access...

Starbucks: Subdomain takeover on wfmnarptpc.starbucks.com

Hello, this is pretty serious security issue in some context, so please act as fast as possible. Overview: One of the starbucks.com subdomains is pointing to Azure, which has unclaimed CNAME record. ANYONE is able to own starbucks.com subdomain at the moment. This vulnerability is called subdomai...

Liberapay: Buffer overflow

A buffer overflow condition exists when a program attempts to put more data in a buffer than it can hold or when a program attempts to put data in a memory area past a buffer. In this case, a buffer is a sequential section of memory allocated to contain anything from a character string to an arra...

Liberapay: Punny code Detection Parsing should be implemented on Markdown

Hello Liberapay Security Team, Description When we insert any URL in Markdown Box in liberapay.com/profilename/edit/statement, it reflects on our main profile page. There was main issue which I discovered was about Punny code parsing method which was not enabled on Markdown. Step to Reproduce For...

Node.js third-party modules: [buttle] Path traversal in mid-buttle module allows to read any file in the server.

Hello Node.js third-party modules I would like to report path traversal in buttle module It allows me to read any file in the server if i know the path. Module module name: buttle version: 0.2.0 npm page: https://www.npmjs.com/package/buttle Module Description Simple static file + markdown server...

HackerOne: Exposing hackerone users personally identifiable information by abusing sandbox with swag reward enabled

Hi HackerOne Team, Summary: I have found a critical bug but this will require a bit user interaction, BUT please take note that once exploited, a hackerone user's PII - personally identifiable information can be exposed. I have found this bug by using the sandbox with swag reward enabled . --- Le...

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...

Brave Software: Cross domain tracking even with 3rd party cookies disabled.

Cross domain tracking Default settings from Brave browser has 3rd party cookies disabled. Which I am assuming also disables 3rd part storage like IndexedDB etc. Because of this protection it is not possible for a 3rd party to track users across multiple domains. But, Even though third-party cooki...

IRCCloud: [IRCCloud Android] Opening arbitrary URLs/XSS in SAMLAuthActivity

Hi, I'd like to report a bug which allow to open arbitrary URLs in com.irccloud.android.activity.SAMLAuthActivity This activity is exported: xml it means that it can be accessed by any third-party apps installed on the same device. On the newest Androids it also could be exploited by Android...

Shopify: stored xss in invited team member via email parameter

Hey there, while testing your program I found a stored XSS vulnerability which can placed by owners or other staff members who have ability to manage members and it will triggered by visiting invited team member page e.g. https://partners.shopify.com/642416/invitations/15406. Reproduction Steps 1...

Internet Bug Bounty: CVE-2017-1000101: cURL: URL globbing out of bounds read

FYI, this security advisory will not be released until 9 August 2017: curl supports "globbing" of URLs, in which a user can pass a numerical range to have the tool iterate over those numbers to do a sequence of transfers. In the globbing function that parses the numerical range, there was an...

Cuvva: Your two domain login email address are disclosed in

HI LINK: support-dashboard.corp.cuvva.co while accessing this link it takes to google authentication. then seen source page of that login page then i saw your email that used to login. POC attached. emails are: ███ ██████████ another way is to simply click on to "continue to cuvva.co" you will se...

Nextcloud: CSRF token validation is missing

Greetings, Hello Security Team, Summary I know this is a medium risk issue but i want you guys to be aware of it that the CSRF token validation is missing at the time of login on https://portal.nextcloud.com/login.php login page. PoC Code: Email Password Login Now Forgot Password? var tabs = '';...

X (Formerly Twitter): [Gnip Blogs] Reflected XSS via "plupload.flash.swf" component vulnerable to SOME

Hi, The following endpoints are exposed to reflected cross-site scripting by way of a vulnerable "plupload.flash.swf" component on WordPress. A comprehensive explanation of this vulnerability can be found on resolved report 134738: WordPress is vulnerable against a Same-Origin Method Execution SO...

Udemy: Subdomain Takeover at Landing.udemy.com

Target: Landing.udemy.com Details: The target subdomain points to unbounce.com service, via a DNS CNAME record. As a result of this, an attacker could potentially initiate a subdomain takeover by registering the subdomain on unbounce.com. Additionally, Unbounce is a custom 404-page hosting servic...

Yelp: One of yelp.com url is redirecting to domain which is not yet purchased

One of yelp.com url is redirecting to domain which is not yet purchased, so anyone would buy that domain and host any stuff which yelp.com does not support. A malicious user can take advantage of this and send the link to users, and people will it is secured domain as link originates from yelp.co...

Internet Bug Bounty: Use of uninitialized memory in unserialize()

The following is a copy of the bug report at https://bugs.php.net/bug.php?id=73832 Description There was found a bug showing that PHP uses uninitialized memory during calls to unserialize. As the following report shows, the payload supplied to unserialize may control this uninitialized memory...

QIWI: [contact-sys.com] SQL Injection████ limit param

Уязвимый сценарий:████ Уязвимый параметр: limit POST█████ HTTP/1.1 Host: contact-sys.com Content-Type: application/x-www-form-urlencoded; charset=UTF-8 Content-Length: 59 countrycode=RU&sendrectype=1&action=index&term=&limit=10+INTO+@A Ответ "error":"SQLSTATE21000: Cardinality violation: 1222 The...

Coinbase: No authorization required in iOS device web-application

Hey, this is Ahsan Tahir! I've found a authorization issue in coinbase! :- Issue ======= When we login to coinbase using PC not authorized it asks for authorization using a link, which is sent to our email and we have to authorize it by clicking on that email; but, when we login to a iOS device...

New Relic: Blind SSRF on synthetics.newrelic.com

Introduction It was possible to retrieve some data from the http://169.254.169.254/latest/ URL corresponding to the amazon instance metadatas. With more time, we can dump the whole content. PoC When creating a Ping Monitor on the https://synthetics.newrelic.com/accounts/XXXXXXX/synthetics URL, it...

QIWI: SSL Certificate on qiwi.com will expire soon.

The validity of the SSL certificate is about to expire on 15 may 2016. The browser will normally present the user with a warning message indicating that the certificate has expired. These warnings are extremely confusing for the typical web user, and cause most users to question the authenticity ...

Algolia: No rate-limit in Two factor Authentication leads to bypass using bruteforce attack

Hi, There is no rate limit set for Two factor authentication, which demand for code sent to mobile. This code can be bruteforced easily to bypass this. POST /users/testqr HTTP/1.1 Host: www.algolia.com User-Agent: Mozilla/5.0 Windows NT 6.3; WOW64; rv:44.0 Gecko/20100101 Firefox/44.0 Accept:...

Ruby on Rails: Remote code execution using render :inline

Possible remote code execution vulnerability in Action Pack. There is a possible remote code execution vulnerability in Action Pack. This vulnerability has been assigned the CVE identifier CVE-2016-2098. Versions Affected: 3.2.x, 4.0.x, 4.1.x, 4.2.x Not affected: 5.0+ Fixed Versions: 3.2.22.2,...

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...

MapLogin: Bypass verification of email while creating account(No rate limiting enable for verification code)

Hi Team, Bug type : Authentication bypassMissing rate limiting Description : While creating a account user needs to enter a email id and verification has been sent to his email ID.It is a 4 digits code.But there is no rate limiting enable while checking the verification on server side.So basicall...

Internet Bug Bounty: Flash Player information disclosure (etc.) CVE-2015-3044, PSIRT-3298

The vulnerability allows a malicious Flash app on a website to read and write Local Shared Objects belonging to any website. As a special case, LSO's of macromedia.com contain global Flash settings. Overwriting them allows e.g. unlimited access to camera and microphone of the target user. Other...

Mail.ru: Flash XSS on img.mail.ru

Vulnerable Flash File: http://img.mail.ru/r/video2/playerv2.swf Steps: + Open http://img.mail.ru/r/video2/playerv2.swf?metadataUrl=http://videoapi.my.mail.ru/videos//community/mir/groupvideo/921.json&redirectUrl=%22;alertdocument.domain;catche// + Click on social share and click on anything eg...

Vimeo: API: missing invalidation of OAuth2 Authorization Code during access revocation causes authorization bypass

OAuth2 API makes it possible for users to grant access to their accounts to some third-side applications. Of course, users are able to manage such applications' access to their accounts and may deny access for any application. When some user denies access for the application, all accesstokens are...

Internet Bug Bounty: Race condition in Flash workers may cause an exploitabl​e double free

The issue occurs while sharing a bytearray between two workers. If both call bytearray.clear at the same time, Flash does not correctly handle the race and may double free the array. Indentified as CVE-2014-0574, and reported to Adobe via Chrome VRP:...

Internet Bug Bounty: Adobe Flash Player MP4 Use-After-Free Vulnerability

I. Summary Adobe Flash Player is prone to a vulnerability which leads to Use-After-Free. After parsing a malformed mp4 file, Flash will keep on accessing a block of memory for timing. Such memory block is still accessed even the page containing Flash is closed, which leads to a memory crash...

Slack: open redirect in https://slack.com

Navigate to Https://slack.com append "/link?url=url=http://bing.com" or enter any website of your choice with http:// vulnerable link https://slack.com/link?url=http://bing.com notice that user is redirected to bing.com without being validated or notified...

Yahoo!: Directory Traversal

Thank you for your submission to the Yahoo Bug Bounty program. We were able to reproduce the issue you reported and have implemented appropriate fixes. We appreciate your adherence to responsible disclosure guidelines and look forward to your future participation in the program...

Sandbox Escape: Win32k Window Handle Vulnerability (EoP)

This bug was disclosed directly to Microsoft. http://technet.microsoft.com/en-us/security/bulletin/ms14-003...

HackerOne: Session Management

Hackerone fails to expire the session cookie from the server side even when the user logs off upon clicking "Sign-Out" from the application. The cookie is cleared from the client side browser, but is not cleared from the server side. If reused, it provides access to the user's account. Upon loggi...

Internet Bug Bounty: OpenSSH: Memory corruption in AES-GCM support

Vulnerability A memory corruption vulnerability exists in the post- authentication sshd process when an AES-GCM cipher [email protected] or [email protected] is selected during kex exchange. If exploited, this vulnerability might permit code execution with the privileges of the...

curl: Heap-buffer-overflow (Out-of-Bounds Read) in DoH hostname encoding

Summary: I found a heap-buffer-overflow in the dohreqencode function in lib/doh.c. The bug happens when curl processes a DNS-over-HTTPS request for a hostname that is an empty string. The code gets the string length as 0, then tries to access hostlen - 1, which becomes host-1. This is an...

Trellix: Unauthenticated Path Traversal and Command Injection in Trellix Enterprise Security Manager 11.6.10

A critical vulnerability was identified in Trellix Enterprise Security Manager ESM version 11.6.10. The vulnerability allowed unauthenticated access to internal API endpoints through path traversal and enabled remote code execution via command injection. The issue stemmed from insecure AJP proxy...