Buffer overflow in Google Android - CVE-2017-9722
Published: December 5, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU37836
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-9722
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to execute arbitrary code.
In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, when updating custom EDID (hdmi_tx_sysfs_wta_edid), if edid_size, which is controlled by userspace, is too large, a buffer overflow occurs.
Affected software
Google Android
How to mitigate CVE-2017-9722
Install update from vendor's website.