UBUNTU-CVE-2021-39796

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Source
https://ubuntu.com/security/CVE-2021-39796
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39796.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-39796
Upstream
Published
2022-04-12T17:15:00Z
Modified
2025-10-24T04:50:32Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291

References

Affected packages

Ubuntu:16.04:LTS
android-platform-frameworks-base

Package

Name
android-platform-frameworks-base
Purl
pkg:deb/ubuntu/android-platform-frameworks-base@1:6.0.1+r16-1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

Other
21-2
21-2.*
21-2.1
1:6.*
1:6.0.0+r26-3
1:6.0.1+r16-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "aapt",
            "binary_version": "1:6.0.1+r16-1"
        },
        {
            "binary_name": "aidl",
            "binary_version": "1:6.0.1+r16-1"
        },
        {
            "binary_name": "android-libaapt",
            "binary_version": "1:6.0.1+r16-1"
        },
        {
            "binary_name": "android-libandroidfw",
            "binary_version": "1:6.0.1+r16-1"
        },
        {
            "binary_name": "android-libandroidfw-dev",
            "binary_version": "1:6.0.1+r16-1"
        },
        {
            "binary_name": "split-select",
            "binary_version": "1:6.0.1+r16-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39796.json"
Ubuntu:18.04:LTS
android-platform-frameworks-base

Package

Name
android-platform-frameworks-base
Purl
pkg:deb/ubuntu/android-platform-frameworks-base@1:8.1.0+r23-3~18.04?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:7.*
1:7.0.0+r33-1
1:8.*
1:8.1.0+r23-3~18.04

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "aapt",
            "binary_version": "1:8.1.0+r23-3~18.04"
        },
        {
            "binary_name": "android-framework-res",
            "binary_version": "1:8.1.0+r23-3~18.04"
        },
        {
            "binary_name": "android-libaapt",
            "binary_version": "1:8.1.0+r23-3~18.04"
        },
        {
            "binary_name": "android-libandroidfw",
            "binary_version": "1:8.1.0+r23-3~18.04"
        },
        {
            "binary_name": "android-libandroidfw-dev",
            "binary_version": "1:8.1.0+r23-3~18.04"
        },
        {
            "binary_name": "split-select",
            "binary_version": "1:8.1.0+r23-3~18.04"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39796.json"
Ubuntu:20.04:LTS
android-platform-frameworks-base

Package

Name
android-platform-frameworks-base
Purl
pkg:deb/ubuntu/android-platform-frameworks-base@1:8.1.0+r23-3build2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:8.*
1:8.1.0+r23-3build1
1:8.1.0+r23-3build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "aapt",
            "binary_version": "1:8.1.0+r23-3build2"
        },
        {
            "binary_name": "android-framework-res",
            "binary_version": "1:8.1.0+r23-3build2"
        },
        {
            "binary_name": "android-libaapt",
            "binary_version": "1:8.1.0+r23-3build2"
        },
        {
            "binary_name": "android-libandroidfw",
            "binary_version": "1:8.1.0+r23-3build2"
        },
        {
            "binary_name": "android-libandroidfw-dev",
            "binary_version": "1:8.1.0+r23-3build2"
        },
        {
            "binary_name": "split-select",
            "binary_version": "1:8.1.0+r23-3build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39796.json"
Ubuntu:22.04:LTS
android-platform-frameworks-base

Package

Name
android-platform-frameworks-base
Purl
pkg:deb/ubuntu/android-platform-frameworks-base@1:10.0.0+r36-3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:10.*
1:10.0.0+r36-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "aapt",
            "binary_version": "1:10.0.0+r36-3"
        },
        {
            "binary_name": "android-framework-res",
            "binary_version": "1:10.0.0+r36-3"
        },
        {
            "binary_name": "android-libaapt",
            "binary_version": "1:10.0.0+r36-3"
        },
        {
            "binary_name": "android-libandroidfw",
            "binary_version": "1:10.0.0+r36-3"
        },
        {
            "binary_name": "android-libandroidfw-dev",
            "binary_version": "1:10.0.0+r36-3"
        },
        {
            "binary_name": "split-select",
            "binary_version": "1:10.0.0+r36-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39796.json"
Ubuntu:24.04:LTS
android-platform-frameworks-base

Package

Name
android-platform-frameworks-base
Purl
pkg:deb/ubuntu/android-platform-frameworks-base@1:14~beta1-2build3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:13.*
1:13.0.0+r66-1
Other
1:14~beta1-2build2
1:14~beta1-2build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "aapt",
            "binary_version": "1:14~beta1-2build3"
        },
        {
            "binary_name": "android-framework-res",
            "binary_version": "1:14~beta1-2build3"
        },
        {
            "binary_name": "android-libaapt",
            "binary_version": "1:14~beta1-2build3"
        },
        {
            "binary_name": "android-libandroidfw",
            "binary_version": "1:14~beta1-2build3"
        },
        {
            "binary_name": "android-libandroidfw-dev",
            "binary_version": "1:14~beta1-2build3"
        },
        {
            "binary_name": "split-select",
            "binary_version": "1:14~beta1-2build3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39796.json"