CVE-2019-18426: WhatsApp bug allowed remote access to users computers with just a text message

Recently, developers of famous messaging app acknowledged and patched a major vulnerability that gave malicious users the ability to access files on a victim’s computer.

A target user may fall prey to this attack simply clicking a disguised link preview sent via the messaging app: a really easy mistake for users to make. 


Which version was affected?

The vulnerability did not affected every WhatsApp user: only the iOS version of the messaging app prior to  v2.20.10, paired to either a PC or MacOS WhatsApp desktop app prior to v0.3.9309 are vulnerable.

According to official bug report [1]:

A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.
Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message.


My2C

Just some weeks ago, the famous report about Jeff Bezos iPhone hacking [2] claims that the smartphone may have been hacked following the receipt of a malicious WhatsApp message.
Is there a connection?


References

  1. Facebook bug report
  2. TLDR #1: Jeff Bezos’ iPhone hack

Related posts

  1. Security researcher found a hardcoded SSH Key in Fortinet SIEM appliances
  2. CVE-2019-19781: my clippings on the infamous Citrix Netscaler vulnerability
  3. BreakingApp: a vulnerability in WhatsApp let one message render the app unusable for entire groups
  4. Android flaw allows attackers to permanently freeze your device
  5. BlackDirect: a vulnerability in Microsoft OAuth 2.0 may allows attackers to takeover Microsoft and Azure Accounts