CVE-2020-1891
Quick assessment
Affected
Facebook WhatsApp 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存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：Android WhatsApp 2.20.17之前版本，Android WhatsApp Business 2.2
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-1891
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
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存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：Android WhatsApp 2.20.17之前版本，Android WhatsApp Business 2.2
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 |
|---|---|---|---|---|
| WhatsApp Android | 2.20.17 | - |
|
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| WhatsApp Business for Android | 2.20.7 | - |
|
|
| WhatsApp iPhone | 2.20.20 | - |
|
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| WhatsApp Business for iPhone | 2.20.20 | - |
|
II. Public POCs for CVE-2020-1891
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-1891 (1)
-
https://www.whatsapp.com/security/advisories/2020 x_refsource_CONFIRM
Same Patch Batch · Facebook · 2020-09-03 · 6 CVEs total
| CVE-2019-11928 | WhatsApp 跨站脚本漏洞 | |
| CVE-2020-1886 | Android WhatsApp 安全漏洞 | |
| CVE-2020-1889 | WhatsApp 安全漏洞 | |
| CVE-2020-1890 | Android WhatsApp 输入验证错误漏洞 | |
| CVE-2020-1894 | WhatsApp 缓冲区错误漏洞 |
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Same vendor: Facebook
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