Multiple vulnerabilities in WhatsApp

Published: 2022-09-26

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-36934 CVE-2022-27492
CWE-ID	CWE-190 CWE-191
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	WhatsApp Messenger for Android Mobile applications / Apps for mobile phones WhatsApp Business for Android Mobile applications / Apps for mobile phones WhatsApp Messenger for iOS Mobile applications / Apps for mobile phones
Vendor	WhatsApp

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU67633

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36934

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system during an established video call.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WhatsApp Messenger for Android: 2.20.11 - 2.22.15.17

WhatsApp Business for Android: before 2.22.16.12

WhatsApp Messenger for iOS: before 2.22.16.12

External links

http://www.whatsapp.com/security/advisories/2022/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to perform certain actions on the device.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Integer underflow

EUVDB-ID: #VU67634