A vulnerability has been found in Google Android (Smartphone Operating System) (version now known) and classified as critical. This vulnerability affects some unknown processing of the component Audio debugfs. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the audio debugfs in all Android releases from CAF using the Linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-07-05, out of bounds access can occur.

The bug was discovered 07/05/2018. The weakness was disclosed 07/06/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability was named CVE-2018-5858 since 01/19/2018. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/05/2023). 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 1 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries 120533, 120534, 120535 and 120536 are pretty similar.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Threat Intelligenceinfo

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