CVE-2023-20971 — Incorrect Authorization in Frameworks Base

CWE-863 — Incorrect Authorization5 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 96.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks BaseGoogle Android
Timeline
PublishedMar 24
Latest updateAug 1

Description

In removePermission of PermissionManagerServiceImpl.java, there is a possible way to obtain dangerous permissions without user consent due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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 Packages4 packages

▶Androidplatform/frameworks_base13-next:0 — 13-next:2023-06-01+6
▶CVEListV5google/android4 versions+3
▶NVDgoogle/android13.0

🔴Vulnerability Details

3
OSV
CVE-2023-20971: In removePermission of PermissionManagerServiceImpl↗2024-08-01
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OSV
CVE-2023-20971: In updatePermissionTreeSourcePackage of PermissionManagerServiceImpl↗2023-06-01
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GHSA
GHSA-74h5-c7r2-qfwr: In updatePermissionTreeSourcePackage of PermissionManagerServiceImpl↗2023-03-24
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📋Vendor Advisories

1
Android
CVE-2023-20971: Android Security Bulletin 2024-08-01 CVE: CVE-2023-20971 Severity: HIGH Type: EoP Affected AOSP versions: 12, 12L, 13, 14 References: A-225880325↗2024-08-01
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