CVE-2021-24043
WhatsApp Heap Read Vulnerability
Description
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.
INFO
Published Date :
Feb. 2, 2022, 12:15 p.m.
Last Modified :
Feb. 7, 2022, 7:47 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-24043 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-24043
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-24043.
| URL | Resource |
|---|---|
| https://www.whatsapp.com/security/advisories/2021/ | Not Applicable Vendor Advisory |
| https://www.whatsapp.com/security/advisories/2022/ | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-24043 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-24043 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 07, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://www.whatsapp.com/security/advisories/2021/ No Types Assigned https://www.whatsapp.com/security/advisories/2021/ Not Applicable, Vendor Advisory Added Reference https://www.whatsapp.com/security/advisories/2022/ [Vendor Advisory] Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:a:whatsapp:whatsapp:2.21.23.2:*:*:*:*:android:*:* *cpe:2.3:a:whatsapp:whatsapp:2.21.230.6:*:*:*:*:iphone_os:*:* *cpe:2.3:a:whatsapp:whatsapp:2.2145.0:*:*:*:desktop:*:*:* *cpe:2.3:a:whatsapp:whatsapp_business:2.21.23.2:*:*:*:*:android:*:* *cpe:2.3:a:whatsapp:whatsapp_business:2.21.230.7:*:*:*:*:iphone_os:*:* -
CVE Modified by [email protected]
Feb. 02, 2022
Action Type Old Value New Value Removed CWE Facebook, Inc. CWE-125
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-24043 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-24043
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} 0.01%
score
0.52458
percentile