CVE-2021-0703 — Use After Free in Google Android

CWE-416 — Use After Free5 documents5 sources
Severity
6.8MEDIUMNVD
EPSS
0.0%
top 96.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform System CoreGoogle Android
Timeline
PublishedOct 22
Latest updateMay 24

Description

In SecondStageMain of init.cpp, there is a possible use after free due to incorrect shared_ptr usage. This could lead to local escalation of privilege if the attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-184569329

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 0.9 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid-11
▶NVDgoogle/android11.0
▶Androidplatform/system_core12-next:0 — 12-next:2021-10-01+2

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-r5f5-hqc8-7rx6: In SecondStageMain of init↗2022-05-24
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CVEList
CVE-2021-0703: In SecondStageMain of init↗2021-10-22
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OSV
CVE-2021-0703: In SecondStageMain of init↗2021-10-01
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📋Vendor Advisories

1
Android
CVE-2021-0703: Android Security Bulletin 2021-10-01 CVE: CVE-2021-0703 Severity: HIGH Type: EoP Affected AOSP versions: 11 References: A-184569329↗2021-10-01
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CVE-2021-0703 — Use After Free in Google Android | cvebase