Apple iOS up to 11.2.4 Graphics Driver memory corruption

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 11.2.4. Impacted is an unknown function of the component Graphics Driver. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2018-4109. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 11.2.4 (Smartphone Operating System). This issue affects an unknown functionality of the component Graphics Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 is affected. The issue involves the "Graphics Driver" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

The bug was discovered 02/08/2018. The weakness was released 04/03/2018 as HT208462 (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2018-4109 since 01/02/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/20/2020). 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 54 days. During that time the estimated underground price was around $100k and more.

Upgrading to version 11.2.5 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-112574, VDB-112578, VDB-112579 and VDB-112580. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS

Version

• 11.2.0
• 11.2.1
• 11.2.2
• 11.2.3
• 11.2.4

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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