CVE-2021-39632 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 98.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Bootable RecoveryGoogle Android
Timeline
PublishedJan 14
Latest updateJan 15

Description

In inotify_cb of events.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12Android ID: A-202159709

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

▶CVEListV5google/androidAndroid-11 Android-12
▶NVDgoogle/android11.0, 12.0+1
▶Androidplatform/bootable_recovery11:0 — 11:2022-01-01+1

🔴Vulnerability Details

2
GHSA
GHSA-36fw-cxfr-92fm: In inotify_cb of events↗2022-01-15
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OSV
CVE-2021-39632: In inotify_cb of events↗2022-01-01
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📋Vendor Advisories

1
Android
CVE-2021-39632: Android Security Bulletin 2022-01-01 CVE: CVE-2021-39632 Severity: HIGH Type: EoP Affected AOSP versions: 11, 12 References: A-202159709↗2022-01-01
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CVE-2021-39632 — Out-of-bounds Write in Google Android | cvebase