Apple macOS up to 10.14.3 Validation symlink

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.14.3. Impacted is an unknown function of the component Validation Handler. Such manipulation leads to symlink. This vulnerability is listed as CVE-2019-6238. The attack must be carried out locally. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.14.3 (Operating System). It has been rated as critical. Affected by this issue is some unknown functionality of the component Validation Handler. The manipulation with an unknown input leads to a symlink vulnerability. Using CWE to declare the problem leads to CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. Impacted is confidentiality, integrity, and availability.

The weakness was presented 10/28/2020 as HT209600. The advisory is available at support.apple.com. This vulnerability is handled as CVE-2019-6238. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371712 (Apple macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra Not Installed (APPLE-SA-2019-3-25-2)).

Upgrading to version 10.14.4 eliminates this vulnerability.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: macOS 10.14.4

Timelineinfo

01/11/2019 🔍
10/28/2020 +656 days 🔍
10/28/2020 +0 days 🔍
06/13/2024 +1324 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209600
Status: Confirmed

CVE: CVE-2019-6238 (🔍)
GCVE (CVE): GCVE-0-2019-6238
GCVE (VulDB): GCVE-100-163718
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 10/28/2020 07:51
Updated: 06/13/2024 03:09
Changes: 10/28/2020 07:51 (41), 11/27/2020 19:01 (2), 11/27/2020 19:05 (18), 06/13/2024 03:09 (18)
Complete: 🔍
Cache ID: 216::103

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