Out-of-Bounds Write Vulnerability in WhatsApp for Android
CVE-2021-24041

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
WhatSAPp Business For Android
WhatSAPp For Android
Vendor
CVE Published:
7 December 2021

What is CVE-2021-24041?

A vulnerability exists in the image processing code of WhatsApp for Android that can lead to an out-of-bounds write. This issue arises from a missing bounds check, which is exploited when a user receives a specially crafted malicious image. If successfully executed, this vulnerability could compromise the application's integrity, allowing attackers to manipulate memory and potentially execute arbitrary code.

Affected Version(s)

WhatsApp Business for Android < unspecified

WhatsApp for Android < unspecified

WhatsApp Business for Android v2.21.22.7

References

https://www.whatsapp.com/security/advisories/2021/
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

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CVE-2021-24041 : Out-of-Bounds Write Vulnerability in WhatsApp for Android