CVE-2021-0536 — Externally Controlled Reference to a Resource in Another Sphere in Packages Apps Certinstaller

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere4 documents4 sources

Severity

7.8HIGHNVD

EPSS

0.0%

top 98.14%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Platform Packages Apps Certinstaller Google Android

Timeline

PublishedJun 22

Latest updateMay 24

Description

In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶Androidplatform/packages_apps_certinstaller11:0 — 11:2021-06-01

▶CVEListV5google/androidAndroid-11

▶NVDgoogle/android11.0

🔴Vulnerability Details

GHSA

GHSA-2762-7h78-r5qq: In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy↗2022-05-24

▶

CVEList

CVE-2021-0536: In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy↗2021-06-22

▶

OSV

CVE-2021-0536: In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy↗2021-06-01

▶