{"id":"UBUNTU-CVE-2020-0409","details":"In create of FileMap.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-8.0 Android-8.1 Android-9Android ID: A-156997193","modified":"2026-04-22T12:24:57.332147Z","published":"2020-11-10T13:15:00Z","upstream":["CVE-2020-0409"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-0409"},{"type":"REPORT","url":"https://source.android.com/security/bulletin/2020-11-01"},{"type":"REPORT","url":"https://android.googlesource.com/platform/system/core/+/bff51b88aaf96279c58edb812be0bda2fcaf4967"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-0409"}],"affected":[{"package":{"name":"android-platform-system-core","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/android-platform-system-core@1:6.0.1+r16-3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21-6","1:6.0.0+r26-1","1:6.0.1+r16-1","1:6.0.1+r16-3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:6.0.1+r16-3","binary_name":"adb"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libadb"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libbacktrace"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libbase"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libcutils"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-liblog"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libsparse"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libutils"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libziparchive"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-libzipfile"},{"binary_version":"1:6.0.1+r16-3","binary_name":"android-platform-system-core-headers"},{"binary_version":"1:6.0.1+r16-3","binary_name":"fastboot"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-0409.json"}},{"package":{"name":"android-platform-system-core","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/android-platform-system-core@1:8.1.0+r23-5~18.04?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.0+r33-2","1:8.1.0+r23-5~18.04"],"ecosystem_specific":{"binaries":[{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"adb"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libadb"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libbacktrace"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libbase"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libcrypto-utils"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libcutils"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-liblog"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libnativebridge"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libnativeloader"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libsparse"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libutils"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-libziparchive"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-platform-system-core-headers"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-sdk-libsparse-utils"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-tools-adb"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-tools-fastboot"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"android-tools-mkbootimg"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"append2simg"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"fastboot"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"img2simg"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"mkbootimg"},{"binary_version":"1:8.1.0+r23-5~18.04","binary_name":"simg2img"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-0409.json"}},{"package":{"name":"android-platform-system-core","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/android-platform-system-core@1:8.1.0+r23-5ubuntu2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:8.1.0+r23-5","1:8.1.0+r23-5ubuntu1","1:8.1.0+r23-5ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"adb"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-libadb"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-libbacktrace"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-libbase"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-libcrypto-utils"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-libcutils"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-liblog"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-libnativebridge"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"android-libnativeloader"},{"binary_version":"1:8.1.0+r23-5ubuntu2","binary_name":"a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