Row Hammer Privilege Escalation - Lenovo Support US

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Algolia: No Rate Limit In Inviting Similar Contact Multiple Times

There is not Rate limit in Inviting a similar contact Multiple times See the attachment for confirmation :...

GitLab: Insecure 2FA/authentication implementation creates a brute force vulnerability

Hi All, I believe I've found a vulnerability with regards to your user authentication and 2FA implementation but wasn't sure you'd be interested given the reference to "rate limiting" being out of scope so please bare with me. I also took a quick look at...

Uber Hack lets anyone find Unlimited Promo Codes for Free Uber Rides

An Independent Security Researcher from Egypt has discovered a critical vulnerability in Uber app that could allow an attacker to brute force Uber promo code value and get valid codes with the high amount of up to $25,000 for more than one free rides. Mohamed M.Fouad has discovered a "promo codes...

Nextcloud: No Rate Limiting on stats.nextcloud.com login

There is no defenses or any lockout mechanism on stats.nextcloud.com login , a malicious minded user can continue guessing an account password limitless, and this might cause to completely compromised the site. Recommendation: Put a rate limit or a any lockout mechanism Regards Japz...

Nextcloud: No rate limiting on password protected shared file link

User can share any files with link and can also set password for it but issue is there isn't any rate limting implemented there at this feature. So attacker can bruteforce shared link whereas on the other side victim might be thinking he is safe even he shared private file link in publically...

Uber: Bruteforce INVITE codes easy way

As soon as i read the vulnerability disclosed on h1 regarding Possibility to brute force invite codes in riders.uber.com "https://hackerone.com/reports/125505" . I have found similar & easy way to bruteforce invite codes but in different manner . Also, 1680 public invites are waiting for...

Uber: Email Enumeration Vulnerability

Hello, I identified from one of your disclosed reports : the report 143291 that you added "security measures to help mitigate email enumeration" . However , I found a way to identify valid emails registered on Uber.com . I used the SIGN UP form to find if an email is valid or not. Proof of concep...

FreeBSD : mediawiki -- multiple vulnerabilities (b50f53ce-2151-11e6-8dd3-002590263bf5)

MediaWiki reports : Security fixes : T122056: Old tokens are remaining valid within a new session T127114: Login throttle can be tricked using non-canonicalized usernames T123653: Cross-domain policy regexp is too narrow T123071: Incorrectly identifying http link in a's href attributes, due to m...

Unrestricted qemu logging

ISSUE DESCRIPTION When the libxl toolstack launches qemu for HVM guests, it pipes the output of stderr to a file in /var/log/xen. This output is not rate-limited in any way. The guest can easily cause qemu to print messages to stderr, causing this file to become arbitrarily large. IMPACT The disk...

Instagram Patches Brute-Force Authentication Flaws

Facebook on Thursday patched a pair of vulnerabilities that enabled brute-force attacks against Instagram passwords, and also hardened its password policy. Researcher Arne Swinnen privately disclosed the flaws in December and in February respectively. One bug was patched in February, while the...

Uber: Phone Number Enumeration

I discovered it is possible to retrieve all Uber's customer's cell phone numbers using an API endpoint. While going through a sign up form, I noticed that the page was making an ajax call to an API to validate the email address being entered and to make sure it doesn't already belong to an accoun...

New Relic: Missing rate limit on password

Hello, in login page https://login.newrelic.com/login there is no rate limit for brute force attack on password which allow attacker to do as much he can from requests for guessing the user password. the same was happened in Facebook newrelck.pngF93837 Thaanks...

Uber: CrashPlan Backup is Vulnerable Allowing to a DoS Attack Against Uber's Backups to ```backup.uber.com```

backup.uber.com hosts a CrashPlan backup server on port 443. CrashPlan allows users to backup to a friends computer by entering a 6 digit alphanumeric code. This means there are 2,176,782,336 total CrashPlan friend codes. While this is a high number, it is completely possible to brute force this ...

Dropbox: No Rate Limiting while sending the feedback under Dropbox Help Centre

The original report allows repeatedly giving "not helpful" as feedback for a help article. Observation:- It was observed that there is no rate limiting in placed for all the endpoint which looks like as below:- Vulnerable URL:- https://www.dropbox.com/helpajax/articles/274/feedback/unhelpful...

HackerOne: Web Authentication Endpoint Credentials Brute-Force Vulnerability

Dear, Your web authentication endpoint, https://hackerone.com/sessions POST, currently protects against credentials brute-force attacks only by requests rate-limiting based on IP. It was found that if an attacker sends login requests faster than every 4 seconds from the same IP address, it would...

Rate! (Heads Up Deutschland) - Dynamic Code Loading, Exported components, External URLs vulnerabilities

HackApp vulnerability scanner discovered that application Rate! Heads Up Deutschland published at the 'play' market has multiple vulnerabilities...

Heart Rate Monitor (Instant) - Possible privilege escalation, Runtime command execution, SD-card access vulnerabilities

HackApp vulnerability scanner discovered that application Heart Rate Monitor Instant published at the 'play' market has multiple vulnerabilities...

Pulse Rate - Dangerous filesystem permissions, WebView code execution vulnerabilities

HackApp vulnerability scanner discovered that application Pulse Rate published at the 'play' market has multiple vulnerabilities...

Runtastic Heart Rate Monitor - Customized SSL, Dangerous filesystem permissions, Redefined SSL Common Names verifier vulnerabilities

HackApp vulnerability scanner discovered that application Runtastic Heart Rate Monitor published at the 'play' market has multiple vulnerabilities...