CVE-2023-20966 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 87.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform External ZlibGoogle Android
Timeline
PublishedMar 24

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-11 Android-12 Android-12L Android-13Android ID: A-242299736

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 Android-12L Android-13
▶NVDgoogle/android4 versions+3
▶Androidplatform/external_zlib13-next:0 — 13-next:2023-03-01+4

🔴Vulnerability Details

2
GHSA
GHSA-qf24-5jxm-mf7f: In inflate of inflate↗2023-03-24
▶
OSV
CVE-2023-20966: In inflate of inflate↗2023-03-01
▶

📋Vendor Advisories

1
Android
CVE-2023-20966: Android Security Bulletin 2023-03-01 CVE: CVE-2023-20966 Severity: HIGH Type: EoP Affected AOSP versions: 11, 12, 12L, 13 References: A-242299736↗2023-03-01
▶