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...

HackerOne: Hacktivity of a private program visible to banned user if he gets invited to a program by hackbot

Summary: The hacktivity of a private program is visible to banned user if he gets invited to a program by hackbot. Description: Back in 2016 i was banned by █████'s private program ███ due to some conflict between me and their security team, i think they manually put me in banned users list, but...

Slack: Internal SSRF bypass using slash commands at api.slack.com

@albatraoz found a bypass to report 61312, allowing information leakage via SSRF in Slash commands. We fixed the vulnerability and performed a through investigation. Thanks @albatraoz!...

Mail.ru: [dl.beepcar.ru] CRLF Injection

CRLF Injection via Get request PoC: https://dl.beepcar.ru/qwerty%0ASet-Cookie:%20test=qwerty;domain=.beepcar.ru HTTP Response: HTTP/1.1 302 Moved Temporarily Server: nginx/1.12.2 Date: Tue, 03 Apr 2018 19:20:31 GMT Content-Type: text/html Content-Length: 161 Connection: close Location:...

Zomato: Blind XSS - Report review - Admin panel

Introduction In the Zomato Business app there is the functionality to report a review and give additional details as to why you did report the review. Because I knew this reason would be read by Zomato admins I did insert a blind XSS payload here, which ended up executing on...

Tor: solving TOR vulnerability, in other to make bruteforce difficult

Vulnerability description not provided...

Gratipay: Gratipay rails secret token (secret_key_base) publicly exposed in GitHub

Summary Gratipay's Rails secret token is publicly exposed on GitHub. Knowing the secret token allows an attacker to impersonate any user in the application. Thanks to EdOverflow for sharing the tips for finding security issues in GitHub projects, below is the referenced github for the analysis...

Internet Bug Bounty: PHP OpenSSL zif_openssl_seal() heap overflow (wild memcpy)

Description: A wild memcpy is discovered in the openssl package included in stable PHP release. During parsing a PEM certificate in opensslseal, an invalid key length is produced after parsing, eskl0 value is -1 after the call to EVPSealInit, subsequently causing a heap overflow via a wild memcpy...

GitLab: Cookie bomb

It is possible to create a that called cookie bomb in Gitlab Pages. This is especially a problem if the site creating the cookie bomb uses a shared pages domain. In that case no subdomain of that domain would be accessible for that user anymore until they clear their cookies. That does not only...

Legal Robot: Cross Site WebSocket Hijacking

Description: The given URL fails to validate Origin header- leading to Cross-Site WebSocket Hijacking. Impact: The impact, however, depends on how the server is configured. For example, it might require an authentication token which are user specific. In such cases, it might not be as sever as it...

Nextcloud: \OCA\DAV\CardDAV\ImageExportPlugin allows serving arbitrary data with user-defined or empty mimetype

The SabreDAV plugin \OCA\DAV\CardDAV\ImageExportPlugin is used for displaying pictures of a VCF. It registers on a GET request on a CardDAV element and acts when the query parameter photo is sent. The logic can be seen below: / Intercepts GET requests on addressbook urls ending with ?photo. @para...

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;...

Ubiquiti Inc.: UniFi Video v3.2.2 (Windows) Local Privileges Escalation due to weak default install directory ACLs

The UniFi Video Windows installation v3.7.3 and prior create directories with insecure permission, allowing unprivileged users to modify UniFi Video files and consequently escalate privileges. This vulnerability does affect all UniFi video versions up to and including 3.7.3 and is referenced by...

X (Formerly Twitter): XSS on OAuth authorize/authenticate endpoint

Hi, I would like to report an issue where certain endpoints on twitter.com and api.twitter.com is vulnerable to XSS. Detail The redirection page after authorization/authentication does not sanitize the oauthcallback parameter. PoC 1. Go to http://innerht.ml/pocs/twitter-oauth-xss Please use IE or...

Internet Bug Bounty: Python vulnerability: reading arbitrary process memory

Python 2 and 3 are susceptible to arbitrary process memory reading by a user or adversary due to a bug in the json module caused by insufficient bounds checking. The sole prerequisites of this attack are that the attacker is able to control or influence the two parameters of the default scanstrin...

Localize: Numerous open ports/services

Looks like you have numerous open ports that also show service versions. An attacker can leverage this information when trying an attack. Ports should be filtered and banners should be removed/generalized. nmap -sV www.localize.io Starting Nmap 6.40-2 http://nmap.org at 2014-04-18 11:08 PDT Stats...

Yahoo!: Bypass of the Clickjacking protection on Flickr using data URL in iframes

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...

Phabricator: OAuth Stealing Attack (New)

Hi Evan, I found a new and more dangerous way to steal phabricator facebooks oauth tokens,codes, In this case, I exploited the behavior of Phabricator OAuth Dialog, If you provide a differnet scope in phabricator OAuth Dialog...

Shopify: Missing HMAC validation on /uninstall webhook in Shopify/sample-django-app reference template

Repository: https://github.com/Shopify/sample-django-app Description The /uninstall webhook endpoint in sample-django-app processes incoming requests without verifying the X-Shopify-Hmac-Sha256 header. Shopify explicitly requires this validation as a mandatory security measure for all webhook...

Node.js: Improper Input Validation — HTTP Response Parser Unconditionally Accepts Bare CR in Status Line

The llhttp HTTP response parser in Node.js up to version 24.14.1 llhttp v9.3.0 and v9.3.1 was found to unconditionally accept a bare carriage return CR as a valid response status line terminator. This parsing asymmetry was present in the response path but not in the request parsing, enabling...

curl: Denial of Service (DoS) vulnerability in dedotdotify() URL path normalization

Summary A Denial of Service DoS vulnerability exists in the dedotdotify function in lib/urlapi.c that can cause excessive CPU consumption due to On² time complexity when processing URLs with malicious path patterns containing many ../ sequences. Affected Component - Component: libcurl URL API -...

GoCD: XSS in new.loading.page.html

A cross-site scripting vulnerability was found in new.loading.page.html due to inadequate handling of query parameters. This allowed attackers to insert javascript URIs as redirectors, leading to unauthorized script execution...

Node.js: HTTP Request Smuggling via Content Length Obfuscation

The team identified a critical vulnerability in the http server of the most recent version of Node, where malformed headers could lead to HTTP request smuggling. Specifically, if a space was placed before a content-length header, it was not interpreted correctly, enabling attackers to smuggle in ...

inDrive: Unlimited fake rate to the passenger in city to city, Affected endpoint `/api/v1/reviews/ride/<ID>/driver`

The vulnerability allowed an unlimited increase of the passenger's rating in the city-to-city shared ride feature. The request to the /api/v1/reviews/ride//driver endpoint was manipulated by changing the rating value to a higher number, which was accepted by the application and resulted in an...

U.S. Dept Of Defense: Adobe ColdFusion Access Control Bypass - CVE-2023-38205

A vulnerability in Adobe ColdFusion was discovered that allowed bypassing access controls by using malicious path traversal in URLs targeting the /CFIDE/wizards/common/utils.cfc endpoint. This enabled attackers to reach endpoints that should have been restricted. The issue affected Adobe ColdFusi...

Internet Bug Bounty: [CVE-2023-22796] Possible ReDoS based DoS vulnerability in Active Support’s underscore

A regular expression based Denial of Service DoS vulnerability was discovered in Active Support. The vulnerability allowed for a specially crafted string to cause the regular expression engine to enter a state of catastrophic backtracking, leading to excessive CPU and memory usage. The...

Node.js: node.js process aborts when processing x509 certs with invalid public key information

A vulnerability existed in Node.js versions 18.14.2 and 19.7.0 that allowed malicious actors to cause a denial-of-service DoS by providing x509 certificates with invalid public key information. This vulnerability could lead to the termination of the Node.js process, resulting in interruptions to...

Brave Software: UXss on brave browser via scan QR Code

A UXss vulnerability was found in Brave browser on Android 13, allowing an attacker to execute Xss on all open domains by scanning a QR code containing a malicious URL. The vulnerability could potentially allow attackers to steal victim's cookies and affect various websites...

Node.js: The use of __proto__ in process.mainModule.__proto__.require() bypasses the permission system in Node v19.6.1

The use of proto in process.mainModule.proto.require allowed bypassing the permission system in Node v19.6.1, enabling the loading of unauthorized dependencies...

Adobe: DOM XSS at `https://adobedocs.github.io/OAE_PartnerAPI/?configUrl={site}` due to outdated Swagger UI

Vulnerability description not provided...

Stripe: Promotion code can be used more than redemption limit.

A race condition vulnerability existed in the promotion code creation process, allowing users to use the same code more times than the specified redemption limit. This could result in unauthorized discounts or other unintended consequences...

Shopify: Subdomain Takeover at course.oberlo.com

Hi, I was able to takeover your subdomain course.oberlo.com via using kajabi services. Poc : visit https://course.oberlo.com/ you will see my poc https://web.archive.org/web/20220904143512/https://course.oberlo.com/ Suggested Fix : Clear your subdomain DNS. Impact Subdomains Takeovers can be use ...

U.S. Dept Of Defense: IDOR leaking PII data via VendorId parameter

Description: Dear DoD, I found one bug on your domain from Hack US program: █████ It's IDOR bug. Make sure to know that I didn't test many funcs here for IDOR. I didn't test for ATO Account Takeover. But you should fix this. Here's the PoC: ██████████ Thank you DoD! Impact An attacker could steal...

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...

Showmax: Race Condition Vulnerability when creating profiles

Summary:This report describes a Race Condition Vulnerability which allows a user to create more profile as he wish which contradict your business logic, I was only allow to create six profiles on my account but using this bug I was able to create free 30 profiles. Description: There is a race...

Nextcloud: Virtual Data Room / Hide download on collabora is easy to bypass

So, let me start with saying I'm not sure if this is a security issue or if it is by design. The reason I'm reporting it here is since Nextcloud promotes this Virtual Data Room a lot...

Nextcloud: Default settings leak federated cloud id to lookup server of all users

So with the default settings Nextcloud still sends requests to the lookup server if users update their profile. Even if none of the fields are set to 'published'. I must admit this is somewhat of a surprise as there is no reason for this. As long as the visibility of none of the fields change and...

Rocket.Chat: Post-Auth Stored XSS with User Interaction leads to Remote Code Execution

Summary: Unsafe usage of the toastr library leads to Stored XSS when combined with a validation bypass in the createRoom function. Targeting an admin account leads to Remote Code Execution. Description: The frontend uses the toastr library to display error messages to the user. However, it is use...

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...

Rockstar Games: Open redirect on https://signin.rockstargames.com/connect/authorize/rsg

In this report, the researcher found that a previously-addressed Open Redirect vulnerability on https://signin.rockstargames.com/connect/authorize/rsg had once again become exploitable. We were able to quickly re-apply our previous solution and once again resolve the vulnerability...

GitLab: Kroki Arbitrary File Read/Write

Summary In short, I've found a potentially weird bug in asciidoctor that could lead to arbitrary file read/write in asciidoctor-kroki even though Gitlab have already made an attempt to disable kroki-plantuml-include lib/gitlab/asciidoc.rb rb module Gitlab Parser/renderer for the AsciiDoc format...

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:...

Mail.ru: SDC bypass cloud.mail.ru for every /api/v3/* endpoint.

SDCS cookie was not properly checked for few cloud.mail.ru endpoints, allowing to bypass SDC secure domain cookies protection for privilege separation between projects...

TikTok: RCE on TikTok Ads Portal

The video upload endpoint on the TikTok Ads portal was potentially susceptible to remote code execution RCE due to a ffmpeg misconfiguration. We thank @ bubbounty for reporting this to our team and confirming the resolution. During my research on the TikTok Ads portal I found a RCE thought the...

BugPoC: Strict Transport Security Misconfiguration

Hello I have found security vulnerable The vulnerable URL: https://bugpoc.com/icons/bandage.svg Summary The table below shows the numbers of issues identified in different categories. Issues are classified according to severity as High, Medium, Low or Information. This reflects the likely impact ...

U.S. Dept Of Defense: CSRF to Stored HTML injection at https://www.█████

Description: I have found out that on the https://www.███████ domain, you initiate POST request in order to look up for case studies, the parameter keyword on the request, allows the usage of bad characters such as Click here to win 1000$!" 3. Save the POST request and craft CSRF payload. HTML...

Basecamp: DNS Setup allows sending mail on behalf of other customers

Sent on your behalf I knew basecamp themselves had used helpscout for support, so I was curious to see if hey was doing the same. A quick DNS lookup gave me the answer I was looking for: dig hey.com txt ; DiG 9.10.6 hey.com txt ;; global options: +cmd ;; Got answer: ;; -HEADER DiG 9.10.6...

Nextcloud: Access control missing while viewing the attachments in the "All boards"

The vulnerability lies in the "view attachment" of the tasks . When a user uploads the file to the Task, the attachment is given a numeric number and is increased +1 on further uploads. It is easy for any user to view and download all the files uploaded to the tasks by any user. The access is not...

DigitalOcean: Blind XSS via Digital Ocean Partner account creation form.

Summary: Blind Cross-Site Scripting XSS was discovered at Digital Ocean Partners admin panel/dashboard where an attacker can run arbitrary Javascript Code at victims' end. Due to the absence of an HTTPonly cookie, an attacker can successfully steal the cookies of the user and use them to login to...

Helium: unpermitted user can change the device name of admin account

Invited user with only the read-only permission can change the device name in admin account 1.create two account 'A 'and 'B ' in console.helium 2.Invited the account 'B' with 'A' by giving the read-only permission 3.In account 'B' trying to delete the organization created by admin account 'A' and...