Out-of-Bounds Write Vulnerability in WhatsApp for Android and iPhone
CVE-2020-1891

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
WhatSAPp Android
WhatSAPp Business For Android
WhatSAPp Iphone
WhatSAPp Business For Iphone
Vendor
CVE Published:
3 September 2020

What is CVE-2020-1891?

A flaw in WhatsApp's video call functionality could allow an attacker to exploit user-controlled parameters, leading to an out-of-bounds write condition on 32-bit devices. This vulnerability affects various versions of WhatsApp for both Android and iPhone, leaving users at risk of unauthorized access and potential data manipulation.

Affected Version(s)

WhatsApp Android 2.20.17

WhatsApp Android < 2.20.17

WhatsApp Business for Android 2.20.7

References

https://www.whatsapp.com/security/advisories/2020
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.