CVE-2023-21116 — Incorrect Authorization in Google Android

CWE-863 — Incorrect Authorization4 documents4 sources
Severity
6.7MEDIUMNVD
EPSS
0.0%
top 94.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks BaseGoogle Android
Timeline
PublishedMay 15
Latest updateMay 16

Description

In verifyReplacingVersionCode of InstallPackageHelper.java, there is a possible way to downgrade system apps below system image version due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256202273

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5google/androidAndroid-11 Android-12 Android-12L Android-13
▶NVDgoogle/android4 versions+3
▶Androidplatform/frameworks_base13-next:0 — 13-next:2023-05-01+4

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-f7h3-xrj3-8hhr: In verifyReplacingVersionCode of InstallPackageHelper↗2023-05-16
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OSV
CVE-2023-21116: In verifyReplacingVersionCode of InstallPackageHelper↗2023-05-01
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📋Vendor Advisories

1
Android
CVE-2023-21116: Android Security Bulletin 2023-05-01 CVE: CVE-2023-21116 Severity: MEDIUM Type: EoP Affected AOSP versions: 11, 12, 12L, 13 References: A-256202273 [2↗2023-05-01
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