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lundi 29 octobre 2018

Apple macOS up to 10.14.0 Kernel memory corruption

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.14.0. Affected is an unknown function of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 10/29/2018 as HT209193 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2018-4424. Local access is required to approach this attack. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of 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 buffer overflow was addressed with improved size validation.

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

See 126271, 126272, 126273 and 126274 for similar entries.

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
Status: Confirmed

CVE: CVE-2018-4424 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔒

Entry

Created: 10/31/2018
Updated: 10/31/2018
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 154

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