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CVE-2020-1909

Quick assessment

Affected
Facebook WhatsApp Business for iOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Facebook WhatsApp是美国Facebook公司的一套利用网络传送短信的移动应用程序。该应用程序通过智能手机中的联络人信息，查找使用该软件的联络人传送文字、图片等。 WhatsApp for iOS v2.20.111之前版本中的 logging library 存在安全漏洞，该漏洞可造成内存损坏，崩溃和潜在的代码执行危害。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.28% · P83

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-1909

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook WhatsApp for iOS logging library 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook WhatsApp是美国Facebook公司的一套利用网络传送短信的移动应用程序。该应用程序通过智能手机中的联络人信息，查找使用该软件的联络人传送文字、图片等。 WhatsApp for iOS v2.20.111之前版本中的 logging library 存在安全漏洞，该漏洞可造成内存损坏，崩溃和潜在的代码执行危害。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Facebook WhatsApp Business for iOS 2.20.111 -
Facebook WhatsApp for iOS 2.20.111 -

II. Public POCs for CVE-2020-1909

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III. Intelligence Information for CVE-2020-1909

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Other References for CVE-2020-1909 (1)

IV. Related Vulnerabilities

Same product: WhatsApp Business for iOS
Same vendor: Facebook
Same weakness: CWE-416

V. Comments for CVE-2020-1909

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