Google Android Linux Kernel wma_vdev_start_resp_handler memory corruption

Summaryinfo

A vulnerability was found in Google Android. It has been declared as critical. Affected by this vulnerability is the function wma_vdev_start_resp_handler of the component Linux Kernel. The manipulation results in memory corruption. This vulnerability is reported as CVE-2017-14894. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical has been found in Google Android (Smartphone Operating System) (version now known). Affected is the function wma_vdev_start_resp_handler of the component Linux Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in wma_vdev_start_resp_handler(), vdev id is received from firmware as part of WMI_VDEV_START_RESP_EVENTID. This vdev id can be greater than max bssid stored in wma handle and this would result in buffer overwrite while accessing wma_handle->interfaces[vdev_id].

The bug was discovered 04/10/2018. The weakness was disclosed 04/03/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability is traded as CVE-2017-14894 since 09/28/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/21/2020). 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.

The entries VDB-110308, VDB-115655, VDB-115629 and VDB-115630 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion