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.

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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

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