kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2016:1633 An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Oracle Linux 7 : kernel (ELSA-2016-1633)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2016-1633 advisory. - net tcp: enable per-socket rate limiting of all 'challenge acks' Florian Westphal 1355603 1355605 CVE-2016-5696 - net tcp: uninline tcpoowratelimited Florian...

kernel: challenge ACK counter information disclosure.

It was found that the RFC 5961 challenge ACK rate limiting as implemented in the Linux kernel's networking subsystem allowed an off-path attacker to leak certain information about a given connection by creating congestion on the global challenge ACK rate limit counter and then measuring the chang...

kernel: challenge ACK counter information disclosure.

It was found that the RFC 5961 challenge ACK rate limiting as implemented in the Linux kernel's networking subsystem allowed an off-path attacker to leak certain information about a given connection by creating congestion on the global challenge ACK rate limit counter and then measuring the chang...

kernel: challenge ACK counter information disclosure.

It was found that the RFC 5961 challenge ACK rate limiting as implemented in the Linux kernel's networking subsystem allowed an off-path attacker to leak certain information about a given connection by creating congestion on the global challenge ACK rate limit counter and then measuring the chang...

Instacart: Brute force login and bypass locked account restrictions via iOS app

When logging in to an account on the website, a user's account gets locked out after 15 tries to prevent an attacker from brute forcing access to the account. These same restrictions do not apply to the mobile sign-in endpoint a POST request to https://www.instacart.com/oauth/token, which allows ...

bitaccess: Missing Rate limiting for sensitive actions (like "forgot password") and reCaptcha error.

Due to a bug on session management, Rate limit was not properly applied to some functionalities on the website, which let a bad actor to send unlimited password reset emails by bypassing the Recaptcha rate limit. This was not a security issue, fixed to prevent spamming users...

OLX: Full Account Takeover

Issue resolved by the OLX support , at the time of discovery of bug , olx.in was not in scope Whenever a user wants to login through the mobile app , the user enters his mobile number and then he is presented with a screen to enter the OTP . The problem is that there is no rate limiting on the...

SOL19784568 - TMM vulnerability CVE-2016-5023

Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be not vulnerable column. If the table lists only an older version than what you are...

HackerOne: Missing rate limit on critical user actions e.g. reset password, change email, disable account.

Hi I found that there are no rate limitations present on actions that require a password inside the account settings. Actions: Paypal email change Account email change Password Change Disable Account this will not be useful to attacker These sensitive actions require additional verification of...

SubBrute v2.0 - A DNS meta-query spider that enumerates DNS records, and subdomains

SubBrute is a community driven project with the goal of creating the fastest, and most accurate subdomain enumeration tool. Some of the magic behind SubBrute is that it uses open resolvers as a kind of proxy to circumvent DNS rate-limiting https://www.us-cert.gov/ncas/alerts/TA13-088A . This desi...

DEBIAN-CVE-2016-5696

net/ipv4/tcpinput.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack...

MediaWiki < 1.23.14 / 1.25.6 / 1.26.3 Multiple Vulnerabilities

Binary data 9475.prm...

Multi Gigabit Packet Capturing: PFQ

PFQ is a functional networking framework designed for the Linux operating system that allows efficient packets capture/transmission 10G and beyond, in-kernel functional processing and packets steering across sockets/end-points. PFQ is highly optimized for multi-core architecture, as well as for...

Row Hammer Privilege Escalation - Lenovo Support US

No description provided...

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...