CVE-2020-1909

A use-after-free in a logging library in WhatsApp for iOS prior to v2.20.111 and WhatsApp Business for iOS prior to v2.20.111 could have resulted in memory corruption, crashes and potentially code execution. This could have happened only if several events occurred together in sequence, including receiving an animated sticker while placing a WhatsApp video call on hold.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.whatsapp.com/security/advisories/2020/	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:whatsapp:whatsapp::::::iphone_os::*
	cpe:2.3:a:whatsapp:whatsapp_business::::::iphone_os::*

Information

Published : 2020-11-03 12:15

Updated : 2020-11-06 11:24

NVD link : CVE-2020-1909

Mitre link : CVE-2020-1909

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

whatsapp

whatsapp
whatsapp_business

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