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CVE-2020-8913— Local arbitrary code execution in splitinstall in Android's Play Core

Quick assessment

Affected
Google LLC Android Play Core
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.

Google Android是美国谷歌（Google）和开放手持设备联盟（简称oha）的一套以Linux为基础的开源操作系统。 Android Play Core Library 1.7.2之前版本中的SplitCompat.install端点存在安全漏洞。攻击者可利用该漏洞实施目录遍历攻击，执行代码并访问目标应用程序的数据。

CVSS 8.8 · High EPSS 2.88% · P87
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I. Basic Information for CVE-2020-8913

Vulnerability Information
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Vulnerability Title
Local arbitrary code execution in splitinstall in Android's Play Core
Source: CVE Program / CVE List V5
Vulnerability Description
A local, arbitrary code execution vulnerability exists in the SplitCompat.install endpoint in Android's Play Core Library versions prior to 1.7.2. A malicious attacker could create an apk which targets a specific application, and if a victim were to install this apk, the attacker could perform a directory traversal, execute code as the targeted application and access the targeted application's data on the Android device. We recommend all users update Play Core to version 1.7.2 or later.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
权限预留不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Google Android Play Core Library 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Android是美国谷歌（Google）和开放手持设备联盟（简称oha）的一套以Linux为基础的开源操作系统。 Android Play Core Library 1.7.2之前版本中的SplitCompat.install端点存在安全漏洞。攻击者可利用该漏洞实施目录遍历攻击，执行代码并访问目标应用程序的数据。
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
Google LLC Android Play Core stable ~ 1.7.2 -

II. Public POCs for CVE-2020-8913

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III. Intelligence Information for CVE-2020-8913

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Security Blog Posts for CVE-2020-8913 (1)

Other References for CVE-2020-8913 (1)

Same Patch Batch · Google LLC · 2020-08-12 · 3 CVEs total

CVE-2020-8904 6.4 MEDIUM Arbitrary trusted memory overwrite vulnerability in Asylo
CVE-2020-8905 2.8 LOW Confidential Information Disclosure vulnerability in Asylo

IV. Related Vulnerabilities

Same vendor: Google LLC
Same weakness: CWE-281