A vulnerability was found in Google Android (Smartphone Operating System) (the affected version unknown). It has been rated as critical. Affected by this issue is an unknown part of the component Debug Log Event Handler. The manipulation with an unknown input leads to a integer underflow vulnerability. Using CWE to declare the problem leads to CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. Impacted is confidentiality, integrity, and availability. CVE summarizes:

While processing a debug log event from firmware 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, an integer underflow and/or buffer over-read can occur.

The bug was discovered 07/05/2018. The weakness was released 07/06/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2018-5865 since 01/19/2018. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for 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.

Entries connected to this vulnerability are available at 120532, 120533, 120534 and 120535.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion