CVE-2023-21100 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 87.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Platform External AngleGoogle AndroidMsrc Cbl2 Nodejs18 18.20.2-2 ON CBL Mariner 2.0
Timeline
PublishedApr 19

Description

In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249

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 Packages5 packages

▶CVEListV5google/androidAndroid-12 Android-12L Android-13
▶NVDgoogle/android12.0, 12.1, 13.0+2
▶Androidplatform/external_angle13-next:0 — 13-next:2023-04-01+3

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-ghwj-gv6m-qv8r: In inflate of inflate↗2023-04-19
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OSV
CVE-2023-21100: In inflate of inflate↗2023-04-01
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📋Vendor Advisories

2
Microsoft
In inflate of inflate.c there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User int↗2023-04-11
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Android
CVE-2023-21100: Android Security Bulletin 2023-04-01 CVE: CVE-2023-21100 Severity: HIGH Type: EoP Affected AOSP versions: 12, 12L, 13 References: A-242544249↗2023-04-01
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