CVE-2021-39805 — Out-of-bounds Read in Google Android

CWE-125 — Out-of-bounds ReadCWE-668 — Resource Exposure5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 75.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform System BTGoogle Android
Timeline
PublishedApr 12
Latest updateApr 13

Description

In l2cble_process_sig_cmd of l2c_ble.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure through Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-212694559

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5google/androidAndroid-12 Android-12L
▶NVDgoogle/android12.0, 12.1+1
▶Androidplatform/system_bt12:0 — 12:2022-04-01+1

🔴Vulnerability Details

3
GHSA
GHSA-4c23-j7cr-737q: In l2cble_process_sig_cmd of l2c_ble↗2022-04-13
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CVEList
CVE-2021-39805: In l2cble_process_sig_cmd of l2c_ble↗2022-04-12
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OSV
CVE-2021-39805: In l2cble_process_sig_cmd of l2c_ble↗2022-04-01
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📋Vendor Advisories

1
Android
CVE-2021-39805: Android Security Bulletin 2022-04-01 CVE: CVE-2021-39805 Severity: HIGH Type: ID Affected AOSP versions: 12, 12L References: A-212694559↗2022-04-01
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CVE-2021-39805 — Out-of-bounds Read in Google Android | cvebase