Monday, March 4, 2024

Critical LinkedIn AutoFill Vulnerability Allow Hackers to Steal LinkedIn Users Sensitive Information

A new vulnerability discovered in LinkedIn AutoFill functionality leaks users sensitive information to 3rd party websites.

LinkedIn provides an AutoFill a future for other websites to fill information such as LinkedIn user’s name, email address, phone number, location, and job.

This Linkedin provides only for paying customers of LinkedIn’s Marketing Solutions increases the volume and quality of conversions.

LinkedIn AutoFill Future

Customer domains must be whitelisted for LinkedIn AutoFill to function properly, but this vulnerability could abuse this restriction and leaks the sensitive information.

This Vulnerability allowed an attacker to steal your full name, phone number, email address, ZIP code, company and job title.

Also Read: iOS Trustjacking -Dangerous iOS Vulnerability to Hack iPhones & Gain Complete Control Remotely by Attackers

In this case,  If any of those sites have cross-site scripting vulnerabilities, which Cable confirmed some do, hackers can still run AutoFill on their sites by installing an iframe to the vulnerable whitelisted site,Techcrunch says.

Exposed LinkedIn Flaw working in the following ways,

  1. The user visits the malicious site, which loads the LinkedIn AutoFill button iframe.
  2. The iframe is styled so it takes up the entire page and is invisible to the user.
  3. The user clicks anywhere on the page. LinkedIn interprets this as the AutoFill button being pressed, and sends the information via postMessageto the malicious site.

According to researcher Jack Cable , “It seems like LinkedIn accepts the risk of whitelisted websites (and it is a part of their business model), yet this is a major security concern,”

This leads , a compromise in any of the whitelisted websites would have exposed the information of LinkedIn users to malicious hackers.

He discovered the issue on April 9th, 2018 and immediately disclosed it to LinkedIn. The company issued a fix on April 10th but didn’t inform the public of the issue.

Website

Latest articles

US Court Orders NSO Group to Handover Code for Spyware, Pegasus to WhatsApp

Meta, the company that owns WhatsApp, filed a lawsuit against NSO Group in 2019....

New SSO-Based Phishing Attack Trick Users into Sharing Login Credentials  

Threat actors employ phishing scams to trick individuals into giving away important details like...

U.S. Charged Iranian Hacker, Rewards up to $10 Million

The United States Department of Justice (DoJ) has charged an Iranian national, Alireza Shafie...

Huge Surge in Ransomware-as-a-Service Attacks targeting Middle East & Africa

The Middle East and Africa (MEA) region has witnessed a surge in ransomware-as-a-service (RaaS)...

New Silver SAML Attack Let Attackers Forge Any SAML Response To Entra ID

SolarWinds cyberattack was one of the largest attacks of the century in which attackers...

AI Worm Developed by Researchers Spreads Automatically Between AI Agents

Researchers have developed what they claim to be one of the first generative AI...

20 Million+ Cutout.Pro User Records Leaked On Hacking Forums

CutOut.Pro, an AI-powered photo and video editing platform, has reportedly suffered a data breach,...
Balaji
Balaji
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Live Account Takeover Attack Simulation

Live Account Take Over Attack

Live Webinar on How do hackers bypass 2FA ,Detecting ATO attacks, A demo of credential stuffing, brute force and session jacking-based ATO attacks, Identifying attacks with behaviour-based analysis and Building custom protection for applications and APIs.

Related Articles