Apple macOS up to 10.14.4 AMD double free

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.14.4. It has been declared as critical. This affects an unknown part of the component AMD. Such manipulation leads to double free. This vulnerability is referenced as CVE-2019-8635. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.14.4 (Operating System). Affected by this issue is some unknown processing of the component AMD. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.5. An application may be able to execute arbitrary code with system privileges.

The bug was discovered 05/14/2019. The weakness was published 05/13/2019 by Moony Li with Zero Day Initiative as HT210119 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2019-8635 since 02/18/2019. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371785 (Apple macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra Not Installed (HT210119)).

Upgrading to version 10.14.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at VDB-134839, VDB-134841, VDB-134842 and VDB-134843. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.3
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 10.14.5

Timelineinfo

02/18/2019 🔍
05/13/2019 +84 days 🔍
05/13/2019 +0 days 🔍
05/14/2019 +1 days 🔍
05/15/2019 +1 days 🔍
06/10/2020 +392 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210119
Researcher: Moony Li
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2019-8635 (🔍)
GCVE (CVE): GCVE-0-2019-8635
GCVE (VulDB): GCVE-100-134840
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 05/15/2019 08:48
Updated: 06/10/2020 18:05
Changes: 05/15/2019 08:48 (66), 06/10/2020 18:05 (3)
Complete: 🔍
Cache ID: 216:755:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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