CVE-2021-39675 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
9.8CRITICALNVD
EPSS
5.8%
top 9.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform System NFCGoogle Android
Timeline
PublishedFeb 11
Latest updateFeb 12

Description

In GKI_getbuf of gki_buffer.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-205729183

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid-12
▶NVDgoogle/android12.0
▶Androidplatform/system_nfc12:0 — 12:2022-02-01

🔴Vulnerability Details

3
GHSA
GHSA-24w9-mrr8-9p7h: In GKI_getbuf of gki_buffer↗2022-02-12
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CVEList
CVE-2021-39675: In GKI_getbuf of gki_buffer↗2022-02-11
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OSV
CVE-2021-39675: In GKI_getbuf of gki_buffer↗2022-02-01
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📋Vendor Advisories

1
Android
CVE-2021-39675: Android Security Bulletin 2022-02-01 CVE: CVE-2021-39675 Severity: CRITICAL Type: EoP Affected AOSP versions: 12 References: A-205729183↗2022-02-01
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CVE-2021-39675 — Out-of-bounds Write in Google Android | cvebase