Trello: Rate limiting of incorrect Two Factor Authentication codes not enforced

Trello has a feature which allows the user to enable Two factor authentication to enhance the security. But no Rate Limiting is present on second authentication, i.e. code sent to Registered Mobile Number. Attacker can try as many attempts as he wants to bypass the 2 factor authentication. So usi...

Automattic: Authentication Bypass - Chaining two vulnerabilities leads to account takeover at en.instagram-brand.com

Product / URL https://en.instagram-brand.com/wp-json/brc/v1/login/ Description and Impact An attacker can perform account takeover by leveraging following two vulnerabilities: Auth Bypass = Username Enumeration + Login Brute Force A. Username Enumeration: ------------------------------- For the...

Grab: Authorization bypass using login by phone option+horizontal escalation possible on Grab Android App

Description: After my previous report about 2FA bypass on the Profile Edit endpoint i was interested to find enpoint, which will allow me horizontal privileges escalation. So, I found the endpoint using android app https://p.grabtaxi.com/api/passenger/v2/profiles/activationsms which allow me to...

ntp, ntpdate, sntp security update

CentOS Errata and Security Advisory CESA-2017:0252 An update for ntp is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which...

ntp: Client rate limiting and server responses

It was found that when ntp is configured with rate limiting for all associations the limits are also applied to responses received from its configured sources. A remote attacker who knows the sources can cause a denial of service by preventing ntpd from accepting valid responses from its sources...

Moderate: Red Hat Security Advisory: ntp security update

An update for ntp is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

VK.com: Missing Server Side Rate Limiting can Lead to VK Account Take over

Insufficient flood control...

Grab: Two-factor authentication bypass on Grab Android App

Description I found the endpoint using android app https://p.grabtaxi.com/api/passenger/v2/profiles/edit which allow me to bypass 2FA sms code due to lack of rate limiting\code expiration after unsuccessful attempts. The root cause of the problem it that facts: no rate limiting+ no code expiratio...

CVE-2017-5388

A STUN server in conjunction with a large number of "webkitRTCPeerConnection" objects can be used to send large STUN packets in a short period of time due to a lack of rate limiting being applied on e10s systems, allowing for a denial of service attack. This vulnerability affects Firefox 51...

UBUNTU-CVE-2017-5388

A STUN server in conjunction with a large number of "webkitRTCPeerConnection" objects can be used to send large STUN packets in a short period of time due to a lack of rate limiting being applied on e10s systems, allowing for a denial of service attack. This vulnerability affects Firefox 51...

Uber: SMS URL verification link does not expire on phone number change and lacks rate limiting

When verifying your phone number attached to your Uber account, it was possible to re-use an old verification URL to validate a new cell phone number. In addition to this, there was no rate limiting on the SMS verification which allowed for it to be easily brute-forced. The internal team resolved...

DEBIAN-CVE-2016-7426

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service prevent responses from the sources by sending responses with a spoofed source address...

CVE-2016-7426

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service prevent responses from the sources by sending responses with a spoofed source address...

UBUNTU-CVE-2016-7426

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service prevent responses from the sources by sending responses with a spoofed source address...

CVE-2016-7426

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service prevent responses from the sources by sending responses with a spoofed source address...

PT-2017-8997 · Docker · Swarmkit +1

Name of the Vulnerable Software and Affected Versions: SwarmKit toolkit version 1.12.0 for Docker Description: The issue allows remote authenticated users to cause a denial of service, specifically the prevention of cluster joins, via a long sequence of join and quit actions. The vendor disputes...

Starbucks: Brute Force Attack against PIN on Card History Page Could Lead to Card Information Discovery / Fraud

@kylecolson demonstrated the ability to brute force Starbucks Card numbers at a specific endpoint, then worked with our team to answer questions and verify the fix. Rate-limiting issues have been identified as an item listed as an exclusion within our program and have therefore been considered ou...

SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2016:3195-1)

This update for ntp fixes the following issues: ntp was updated to 4.2.8p9. Security issues fixed : - CVE-2016-9311, CVE-2016-9310, bsc1011377: Mode 6 unauthenticated trap information disclosure and DDoS vector. - CVE-2016-7427, bsc1011390: Broadcast Mode Replay Prevention DoS. - CVE-2016-7428,...

MGASA-2016-0414 Updated ntp packages fix security vulnerabilities

When ntpd is configured with rate limiting for all associations restrict default limited in ntp.conf, the limits are applied also to responses received from its configured sources. An attacker who knows the sources e.g., from an IPv4 refid in server response and knows the system is misconfigured ...

Updated ntp packages fix security vulnerabilities

When ntpd is configured with rate limiting for all associations restrict default limited in ntp.conf, the limits are applied also to responses received from its configured sources. An attacker who knows the sources e.g., from an IPv4 refid in server response and knows the system is misconfigured ...