CVE-2021-0475 — Use After Free in Google Android

CWE-416 — Use After Free7 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.6%
top 31.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform System BTGoogle Android
Timeline
PublishedJun 11
Latest updateMay 24

Description

In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid-11 Android-10
▶NVDgoogle/android10.0, 11.0+1
▶Androidplatform/system_bt10:0 — 10:2021-05-01+1

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-jfh5-68jv-jpmr: In on_l2cap_data_ind of btif_sock_l2cap↗2022-05-24
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CVEList
CVE-2021-0475: In on_l2cap_data_ind of btif_sock_l2cap↗2021-06-11
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OSV
CVE-2021-0475: In on_l2cap_data_ind of btif_sock_l2cap↗2021-05-01
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📋Vendor Advisories

1
Android
CVE-2021-0475: Android Security Bulletin 2021-05-01 CVE: CVE-2021-0475 Severity: CRITICAL Type: RCE Affected AOSP versions: 10, 11 References: A-175686168↗2021-05-01
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🕵️Threat Intelligence

2
Qualys
Google Android May 2021 Security Patch Vulnerabilities: Discover and Take Remote Response Action Using VMDR for Mobile Devices | Qualys↗2021-05-10
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Qualys
Google Android May 2021 Security Patch Vulnerabilities: Discover and Take Remote Response Action Using VMDR for Mobile Devices↗2021-05-10
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CVE-2021-0475 — Use After Free in Google Android | cvebase