Integer underflow in WhatsApp products - CVE-2022-27492

 

Integer underflow in WhatsApp products - CVE-2022-27492

Published: September 26, 2022


Vulnerability identifier: #VU67634
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-27492
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to integer underflow when processing video files. A remote attacker can send a specially crafted video file to another user, trigger an integer underflow and execute arbitrary code on the target system.

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


Affected software

WhatsApp Messenger for Android
WhatsApp Business for Android
WhatsApp Messenger for iOS

How to mitigate CVE-2022-27492

Install updates from vendor's website.

WhatsApp Messenger for Android - update to 2.22.16.12
WhatsApp Business for Android - update to 2.22.16.12
WhatsApp Messenger for iOS - update to 2.22.16.12

External References

Related Security Bulletins