CVE-2021-39798 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Google Android

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 98.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks BaseGoogle Android
Timeline
PublishedApr 12
Latest updateApr 13

Description

In Bitmap_createFromParcel of Bitmap.cpp, there is a possible arbitrary code execution due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-213169612

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-12 Android-12L
▶NVDgoogle/android12.0, 12.1+1
▶Androidplatform/frameworks_base12:0 — 12:2022-04-01+1

🔴Vulnerability Details

2
GHSA
GHSA-rm9p-frgx-7245: In Bitmap_createFromParcel of Bitmap↗2022-04-13
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OSV
CVE-2021-39798: In Bitmap_createFromParcel of Bitmap↗2022-04-01
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📋Vendor Advisories

1
Android
CVE-2021-39798: Android Security Bulletin 2022-04-01 CVE: CVE-2021-39798 Severity: HIGH Type: EoP Affected AOSP versions: 12, 12L References: A-213169612↗2022-04-01
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CVE-2021-39798 — Google Android vulnerability | cvebase