Vulnerability identifier: #VU67634

Vulnerability 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-2022-27492

CWE-ID: CWE-191

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
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

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WhatsApp Messenger for Android: 2.20.11 - 2.22.15.17

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

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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