Always-Incorrect Control Flow Implementation in Facebook Hermes

A logic vulnerability when handling the SaveGeneratorLong instruction in Facebook Hermes prior to commit b2021df620824627f5a8c96615edbd1eb7fdddfc allows attackers to potentially read out of bounds or theoretically execute arbitrary code via crafted JavaScript. Note that this is only exploitable i...

Signed to Unsigned Conversion Error in Facebook Hermes

An Integer signedness error in the JavaScript Interpreter in Facebook Hermes prior to commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6 allows attackers to cause a denial of service attack or a potential RCE via crafted JavaScript. Note that this is only exploitable if the application using Hermes...

Out-of-bounds Read and Out-of-bounds Write in Facebook Hermes

An out-of-bounds read/write vulnerability when executing lazily compiled inner generator functions in Facebook Hermes prior to commit 091835377369c8fd5917d9b87acffa721ad2a168 allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the...

GHSA-PF27-929J-9PMM Out-of-bounds Read and Out-of-bounds Write in Facebook Hermes

An out-of-bounds read/write vulnerability when executing lazily compiled inner generator functions in Facebook Hermes prior to commit 091835377369c8fd5917d9b87acffa721ad2a168 allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the...

Access of Resource Using Incompatible Type in Facebook Hermes

A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only...

GHSA-F5X2-XV93-4P23 Access of Resource Using Incompatible Type in Facebook Hermes

A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only...

GHSA-W3R9-R9W7-8H48 Golang Facebook Thrift servers vulnerable to denial of service

Golang Facebook Thrift servers would not error upon receiving messages declaring containers of sizes larger than the payload. As a result, malicious clients could send short messages which would result in a large memory allocation, potentially leading to denial of service. This issue affects...

Golang Facebook Thrift servers vulnerable to denial of service

Golang Facebook Thrift servers would not error upon receiving messages declaring containers of sizes larger than the payload. As a result, malicious clients could send short messages which would result in a large memory allocation, potentially leading to denial of service. This issue affects...

Brave Software: Browser is not following proper flow for redirection cause open redirect

Summary: Brave browser is not following proper flow for redirection. Browser is directly redirecting to the site that is present in redirect parameter without confirming from the main site server. I have found this vulnerability and this is affecting Facebook. Facebook use l.facebook.com/l.php?u=...

A week in security (May 16 – 22)

Last week on Malwarebytes Labs: Fake reCAPTCHA forms dupe users via compromised WordPress sites How COVID-19 fuelled a surge in malware Why MRG-Effitas matters to SMBs “Look what I found here” phish targets Facebook users AirTag stalking: What is it, and how can I avoid it? Long lost @ symbol get...

Fb_Friend_List_Scraper - OSINT Tool To Scrape Names And Usernames From Large Friend Lists On Facebook, Without Being Rate Limited

OSINT tool to scrape names and usernames from large friend lists on Facebook, without being rate limited. Getting started: Install using pip: python -m pip install fb-friend-list-scraper Script is now installed as fbfriendlistscraper Run with -h or --help to show usage information. Usage: usage:...

How to Limit Who Can Contact You on Facebook

You don't want just anyone in your inbox. Here's how to take control...

CVE-2020-1914

A logic vulnerability when handling the SaveGeneratorLong instruction in Facebook Hermes prior to commit b2021df620824627f5a8c96615edbd1eb7fdddfc allows attackers to potentially read out of bounds or theoretically execute arbitrary code via crafted JavaScript. Note that this is only exploitable i...

Gmail-linked Facebook accounts vulnerable to attack using a chain of bugs—now fixed

A security researcher has disclosed how he chained together multiple bugs in order to take over Facebook accounts that were linked to a Gmail account. Youssef Sammouda states it was possible to target all Facebook users but that it was more complicated to develop an exploit, and using Gmail was...

“Look what I found here” phish targets Facebook users

Facebook-themed messages are a frequent source of bogus links from both spam and compromised accounts. Whether you receive the messages via SMS, the Messenger app, or just inside regular web chat, it pays to be careful. A wide variety of attacks use bogus messages as their launchpad, and the risk...

Facebook to Terminate some Location Tracking Services and Features

By Deeba Ahmed The social network giant plans the years most extensive bulk data deletion, including wiping out users location histories.… This is a post from HackRead.com Read the original post: Facebook to Terminate some Location Tracking Services and Features...

Over 200 Apps on Play Store Caught Spying on Android Users Using Facestealer

More than 200 Android apps masquerading as fitness, photo editing, and puzzle apps have been observed distributing spyware called Facestealer to siphon user credentials and other valuable information. "Similar to Joker, another piece of mobile malware, Facestealer changes its code frequently, thu...

GHSA-XCMJ-XJHG-WVHQ Fork CMS XSS Vulnerability

Fork CMS 5.0.6 allows stored XSS via the private/en/settings facebookadminids parameter aka "Admin ids" input in the Facebook section...

Fork CMS XSS Vulnerability

Fork CMS 5.0.6 allows stored XSS via the private/en/settings facebookadminids parameter aka "Admin ids" input in the Facebook section...

Moderate: Red Hat Security Advisory: gfbgraph security update

An update for gfbgraph is now available for Red Hat Enterprise Linux 8. 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 each vulnerability from t...