CVE Vulnerability

CVE-2021-24043

A missing bound check in RTCP flag parsing code prior to WhatsApp for Android v2.21.23.2, WhatsApp Business for Android v2.21.23.2, WhatsApp for iOS v2.21.230.6, WhatsApp Business for iOS 2.21.230.7, and WhatsApp Desktop v2.2145.0 could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.whatsapp.com/security/advisories/2021/ Not Applicable Vendor Advisory
https://www.whatsapp.com/security/advisories/2022/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:whatsapp:whatsapp:2.2145.0:*:*:*:desktop:*:*:*
cpe:2.3:a:whatsapp:whatsapp_business:2.21.230.7:*:*:*:*:iphone_os:*:*
cpe:2.3:a:whatsapp:whatsapp:2.21.230.6:*:*:*:*:iphone_os:*:*
cpe:2.3:a:whatsapp:whatsapp_business:2.21.23.2:*:*:*:*:android:*:*
cpe:2.3:a:whatsapp:whatsapp:2.21.23.2:*:*:*:*:android:*:*
Information

Published : 2022-02-02 12:15

Updated : 2022-02-07 07:47

NVD link : CVE-2021-24043

Mitre link : CVE-2021-24043

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read