CVE-2023-21269 — Improper Privilege Management in Frameworks Base

CWE-269 — Improper Privilege ManagementCWE-266 — Incorrect Privilege Assignment4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 99.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks BaseGoogle Android
Timeline
PublishedAug 14

Description

In startActivityInner of ActivityStarter.java, there is a possible way to launch an activity into PiP mode from the background due to BAL bypass. 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:2023-08-01+1
▶CVEListV5google/android13
▶NVDgoogle/android13.0

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-86pj-hrwx-9vhg: In startActivityInner of ActivityStarter↗2023-08-14
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OSV
CVE-2023-21269: In startActivityInner of ActivityStarter↗2023-08-01
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📋Vendor Advisories

1
Android
CVE-2023-21269: Android Security Bulletin 2023-08-01 CVE: CVE-2023-21269 Severity: HIGH Type: EoP Affected AOSP versions: 13 References: A-271576718↗2023-08-01
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