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CVE-2021-24041

Quick assessment

Affected
Facebook WhatsApp Business for Android
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 Business是WhatsApp的商用版。 WhatsApp 存在安全漏洞，该漏洞源于软件的图像模糊代码中缺少边界检查，如果用户发送了恶意图像，可能会允许越界写入。

AI Predicted 9.8 Difficulty: Easy EPSS 1.49% · P73

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24041

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A missing bounds check in image blurring code prior to WhatsApp for Android v2.21.22.7 and WhatsApp Business for Android v2.21.22.7 could have allowed an out-of-bounds write if a user sent a malicious image.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook WhatsApp 缓冲区错误漏洞
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 Business是WhatsApp的商用版。 WhatsApp 存在安全漏洞，该漏洞源于软件的图像模糊代码中缺少边界检查，如果用户发送了恶意图像，可能会允许越界写入。
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 Android unspecified ~ v2.21.22.7 -
Facebook WhatsApp for Android unspecified ~ v2.21.22.7 -

II. Public POCs for CVE-2021-24041

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III. Intelligence Information for CVE-2021-24041

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Other References for CVE-2021-24041 (1)

IV. Related Vulnerabilities

Same product: WhatsApp Business for Android
Same vendor: Facebook
Same weakness: CWE-122

V. Comments for CVE-2021-24041

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