CVE-2020-0238 — Time-of-check Time-of-use (TOCTOU) Race Condition in Google Android

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition5 documents5 sources

Severity

7.0HIGHNVD

EPSS

0.1%

top 76.24%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Platform Packages Apps Settings Google Android

Timeline

PublishedAug 11

Latest updateMay 24

Description

In updatePreferenceIntents of AccountTypePreferenceLoader, there is a possible confused deputy attack due to a race condition. This could lead to local escalation of privilege and launching privileged activities with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-8.0Android ID: A-150946634

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid-8.1 Android-9 Android-10 Android-8.0

▶NVDgoogle/android4 versions+3

▶Androidplatform/packages_apps_settings8.0:0 — 8.0:2020-08-01+3

🔴Vulnerability Details

GHSA

GHSA-q6xw-gw5p-2f92: In updatePreferenceIntents of AccountTypePreferenceLoader, there is a possible confused deputy attack due to a race condition↗2022-05-24

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CVEList

CVE-2020-0238: In updatePreferenceIntents of AccountTypePreferenceLoader, there is a possible confused deputy attack due to a race condition↗2020-08-11

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OSV

CVE-2020-0238: In updatePreferenceIntents of AccountTypePreferenceLoader, there is a possible confused deputy attack due to a race condition↗2020-08-01

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📋Vendor Advisories

Android

CVE-2020-0238: Android Security Bulletin 2020-08-01 CVE: CVE-2020-0238 Severity: HIGH Type: EoP Affected AOSP versions: 8↗2020-08-01

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