Summaryinfo

A vulnerability labeled as critical has been found in Samsung Galaxy S8 G950FXXU1AQL5. The impacted element is an unknown function of the component IPCP Header Handler. The manipulation results in input validation. This vulnerability was named CVE-2018-14318. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Samsung Galaxy S8 G950FXXU1AQL5 (Smartphone Operating System). Affected is an unknown part of the component IPCP Header Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Samsung Galaxy S8 G950FXXU1AQL5. User interaction is required to exploit this vulnerability in that the target must have their cellular radios enabled. The specific flaw exists within the handling of IPCP headers. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of the baseband processor. Was ZDI-CAN-5368.

The bug was discovered 09/21/2018. The weakness was presented 09/24/2018 (Website). The advisory is shared for download at zerodayinitiative.com. This vulnerability is traded as CVE-2018-14318 since 07/16/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

• Smartphone Operating System

Vendor

• Samsung

Name

• Galaxy S8

Version

• G950FXXU1AQL5

License

• commercial

Website

• Vendor: https://www.samsung.com/

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