A vulnerability was found in Google Android (Smartphone Operating System) (affected version not known). It has been rated as critical. This issue affects some unknown functionality of the component Linux Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 12/05/2017. The weakness was released 12/05/2017 (Website). It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2017-9722 since 06/15/2017. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/21/2019). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

Entries connected to this vulnerability are available at 101212, 102646, 110201 and 110202.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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