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lundi 29 octobre 2018

Apple Safari up to 12.0 WebKit denial of service

A vulnerability was found in Apple Safari up to 12.0. It has been rated as problematic. This issue affects an unknown function of the component WebKit. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The weakness was shared 10/29/2018 by Sabri Haddouche with Wire Swiss GmbH as HT209196 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2018-4409. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2018). The advisory points out:

A resource exhaustion issue was addressed with improved input validation.

Upgrading to version 12.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The issues 126193, 126208, 126244 and 126257 are related to this entry.

CPE

CVSSv3

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: ≈3.5
VulDB Temp Score: ≈3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

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

Exploiting

Class: Denial of service (CWE-404)
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: Safari 12.0.1

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: HT209196
Researcher: Sabri Haddouche
Organization: Wire Swiss GmbH
Status: Confirmed

CVE: CVE-2018-4409 (🔒)
See also: 🔒

Entry

Created: 10/31/2018
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 138

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