Google Android WLAN Message out-of-bounds write

Summaryinfo

A vulnerability has been found in Google Android and classified as critical. This issue affects some unknown processing of the component WLAN Handler. This manipulation as part of Message causes out-of-bounds write. This vulnerability appears as CVE-2018-11296. The attack requires local access. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Google Android (Smartphone Operating System) (the affected version unknown). Affected by this vulnerability is an unknown part of the component WLAN Handler. The manipulation as part of a Message leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, while processing a message from firmware in WLAN handler, a buffer overwrite can occur.

The bug was discovered 09/05/2018. The weakness was presented 09/18/2018 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2018-11296 since 05/18/2018. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/16/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

See VDB-124170, VDB-124172, VDB-124175 and VDB-124178 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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