PT-2022-9435 · Facebook · Whatsapp For Ios+4

Published 2022-02-02 · Updated 2022-05-17 · CVE-2021-24043

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions WhatsApp for Android versions prior to 2.21.23.2 WhatsApp Business for Android versions prior to 2.21.23.2 WhatsApp for iOS versions prior to 2.21.230.6 WhatsApp Business for iOS versions prior to 2.21.230.7 WhatsApp Desktop versions prior to 2.2145.0

Description A missing bound check in RTCP flag parsing code could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call.

Recommendations For WhatsApp for Android versions prior to 2.21.23.2, update to version 2.21.23.2 or later. For WhatsApp Business for Android versions prior to 2.21.23.2, update to version 2.21.23.2 or later. For WhatsApp for iOS versions prior to 2.21.230.6, update to version 2.21.230.6 or later. For WhatsApp Business for iOS versions prior to 2.21.230.7, update to version 2.21.230.7 or later. For WhatsApp Desktop versions prior to 2.2145.0, update to version 2.2145.0 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-24043

Affected Products

Whatsapp Business For Android

Whatsapp Business For Ios

Whatsapp Desktop

Whatsapp For Android

Whatsapp For Ios

References · 7

• https://osv.dev/vulnerability/CVE-2021-24043 · Vendor Advisory
• https://whatsapp.com/security/advisories/2022 · Vendor Advisory
• https://whatsapp.com/security/advisories/2021 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24043 · Security Note
• https://t.me/echeloneyes/276 · Telegram Post
• https://t.me/cvenotify/26393 · Telegram Post
• https://t.me/cibsecurity/36698 · Telegram Post