Flaw in Verizon call record requests put millions of Americans at risk


Security researcher Evan Connelly discovered an enormous flaw affecting one of the largest telecommunications companies in the world that could allow any single person to view the recent incoming call log for potentially any Verizon phone number.

A vulnerability in the Verizon Call Filter iOS app allowed anyone to request the call logs of millions of US Verizon customers. The Verizon Call Filter app for iOS allows customers to view a log of their recent calls. This log will show them the phone numbers and an associated timestamp. To request such a log the app sends a request to a server to fetch the data belonging to the phone number in question. The network request to the server contains various details such as your phone number and the requested time period for call records. The server then responds with a list of calls and timestamps.

Read more…
Source: Malwarebytes Labs


Sign up for our Newsletter
The latest news and insights delivered right to your inbox.


Related:

  • This new malware is scanning the internet for systems info on valuable targets

    April 3, 2019

    A new form of malware is scanning the internet for exposed web services and default passwords in what’s thought to be a reconnaissance operation – one which might signal a larger cyberattack is to come. Researchers at AT&T Alien Labs first spotted the malware in March and have named it Xwo after its primary module name. It’s thought that Xwo ...

  • Microsoft Edge and Internet Explorer Zero-Days Allow Access to Confidential Session Data

    April 2, 2019

    On March 30th, security researcher James Lee disclosed information on two zero-day vulnerabilities present in current versions of Microsoft Edge and Internet Explorer. These vulnerabilities make it possible for confidential information to be shared between websites. A flaw in the same-origin policy for these web browsers, called an Origin Validation Error (CWE-346), allows JavaScript embedded in a malicious ...

  • Mobile-First Phishing Kit Targets Verizon Customers

    April 2, 2019

    As people increasingly go mobile-first in their work and personal lives, cybercrime is keeping up: The latest is a phishing kit that specifically targets Verizon Wireless customers in the U.S. According to Jeremy Richards, a researcher at Lookout Security, the kit pushes phishing links to users via email, masquerading as messages from Verizon Customer Support. These ...

  • Google Warns of Growing Android Attack Vector: Backdoored SDKs and Pre-Installed Apps

    April 1, 2019

    Google is reporting an uptick in efforts by bad actors to plant potentially harmful applications (PHAs) on Android devices via pre-installed apps and by bundling them with system updates delivered over the air. The technique is especially troubling, Google said, because PHAs are often malicious and users have no control over what comes pre-installed on their ...

  • Critical Rockwell Automation Bug in Drive Component Puts IIoT Plants at Risk

    March 29, 2019

    A critical Rockwell Automation flaw could be exploited to manipulate an industrial drive’s physical process and or even stop it. A critical denial-of-service (DoS) vulnerability has been found in a Rockwell Automation industrial drive, which is a logic-controlled mechanical component used in industrial systems to manage industrial motors. The vulnerability was identified in Rockwell Automation’s PowerFlex 525 ...

  • The latest dark web cyber-criminal trend: Selling children’s personal data

    March 27, 2019

    Imagine you’re a teenager, applying for credit to buy your first car or maybe a loan to go to university. You don’t remember taking out a credit card when you were six years old, but the bank is adamant, and now you have a poor credit rating and in their eyes, you’re persona non grata. ...