PT-2021-15662 · Facebook · Whatsapp For Android+1

Published 2021-12-07 · Updated 2021-12-08 · CVE-2021-24041

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: WhatsApp for Android versions prior to 2.21.22.7 WhatsApp Business for Android versions prior to 2.21.22.7

Description: A missing bounds check in image blurring code could have allowed an out-of-bounds write if a user sent a malicious image. This issue could be exploited by sending a specially crafted image to a user.

Recommendations: For WhatsApp for Android versions prior to 2.21.22.7, update to version 2.21.22.7 or later. For WhatsApp Business for Android versions prior to 2.21.22.7, update to version 2.21.22.7 or later.

Fix

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

CVE-2021-24041

Affected Products

Whatsapp Business For Android

Whatsapp For Android

References · 5

• https://whatsapp.com/security/advisories/2021 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-24041 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24041 · Security Note
• https://t.me/cvenotify/24421 · Telegram Post
• https://t.me/cibsecurity/33511 · Telegram Post