Use-After-Free Vulnerability in WhatsApp and WhatsApp Business for iOS
CVE-2020-1909

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
WhatSAPp Business For iOS
WhatSAPp For iOS
Vendor
CVE Published:
3 November 2020

What is CVE-2020-1909?

A use-after-free vulnerability in the logging library of WhatsApp for iOS prior to version 2.20.111 could lead to memory corruption, crashes, and potentially allow code execution. This vulnerability could be exploited under specific conditions, such as receiving an animated sticker while holding a video call, highlighting the need for users to update their applications promptly to mitigate risks associated with this flaw.

Affected Version(s)

WhatsApp Business for iOS 2.20.111

WhatsApp Business for iOS < 2.20.111

WhatsApp Business for iOS 2.20.81

References

https://www.whatsapp.com/security/advisories/2020/
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-1909 : Use-After-Free Vulnerability in WhatsApp and WhatsApp Business for iOS