CVE-2021-39708 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer5 documents5 sources
Severity
9.8CRITICALNVD
EPSS
0.6%
top 29.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform System BTGoogle Android
Timeline
PublishedMar 16
Latest updateMar 17

Description

In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to an incorrect bounds check. 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-206128341

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_bt12:0 — 12:2022-03-01+1

🔴Vulnerability Details

3
GHSA
GHSA-5c67-9qgc-qxw3: In gatt_process_notification of gatt_cl↗2022-03-17
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CVEList
CVE-2021-39708: In gatt_process_notification of gatt_cl↗2022-03-16
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OSV
CVE-2021-39708: In gatt_process_notification of gatt_cl↗2022-03-01
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📋Vendor Advisories

1
Android
CVE-2021-39708: Android Security Bulletin 2022-03-01 CVE: CVE-2021-39708 Severity: CRITICAL Type: EoP Affected AOSP versions: 12 References: A-206128341↗2022-03-01
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CVE-2021-39708 — Out-of-bounds Write in Google Android | cvebase