The Qualcomm Innovation Center (QuIC) init scripts in Code Aurora Forum (CAF) releases of Android 4.1.x through 4.4.x allow local users to modify file metadata via a symlink attack on a file accessed by a (1) chown or (2) chmod command, as demonstrated by changing the permissions of an arbitrary file via an attack on the sensor-settings file.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-6124
• https://www.codeaurora.org/projects/security-advisories/insecure-owner-permission-changes-init-shell-scripts-cve-2013-6124