Memory corruption in QSEECOM driver (CVE-2014-4322)

Release Date:

December 22, 2014

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2014-00008-1

CVE ID(s):

CVE-2014-4322

Summary:

The following security vulnerability has been identified in the QuIC-authored QSEECOM driver. CVE-2014-4322: The qseecom driver provides an ioctl system call interface to user space clients for communication. When processing this communication, the __qseecom_update_cmd_buf function uses the user-supplied value cmd_buf_offset as an index to a buffer for write operations without any boundary checks, allowing a local application with access to the qseecom device node to, e.g., escalate privileges.

Access Vector: Local

Security Risk: Medium

Access Vector: Local

Affected Versions:

All Android releases from CAF using the Linux kernel.

Patch:

Acknowledgement:

Qualcomm Innovation Center, Inc. (QuIC) thanks Gal Beniamini for reporting the related issues and working with QuIC to help improve Android device security.

Revisions:

Initial revision

Contact: