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Sources : US Cert, Cert EU, Cert FR, Cnil, VulDB.

lundi 29 octobre 2018

Apple macOS up to 10.14.0 IOGraphics memory corruption

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.14.0. This issue affects an unknown function of the component IOGraphics. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was shared 10/29/2018 with Zero Day Initiative as HT209193 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2018-4422. Attacking locally is a requirement. A single authentication is needed for exploitation. 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 10/31/2018). It expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

Upgrading to version 10.14.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The issues 126271, 126272, 126273 and 126274 are related to this entry.

CPE

CVSSv3

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploiting

Class: Memory corruption (CWE-119)
Local: Yes
Remote: No

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: Upgrade
Status: Official fix
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: macOS 10.14.1

Timeline

10/29/2018 Advisory disclosed
10/29/2018 Countermeasure disclosed
10/31/2018 VulDB entry created
10/31/2018 VulDB last update

Sources

Advisory: HT209193
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2018-4422 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔒

Entry

Created: 10/31/2018
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 107

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