VDB-138722 · CVE-2019-8644 · HT210356

Apple iTunes up to 12.9.5 on Windows WebKit use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iTunes up to 12.9.5 on Windows. Affected by this issue is some unknown functionality of the component WebKit. Such manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2019-8644. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iTunes up to 12.9.5 on Windows (Multimedia Player Software) and classified as critical. Affected by this issue is an unknown part of the component WebKit. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 07/23/2019 by G. Geshev with Zero Day Initiative as HT210356 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2019-8644 since 02/18/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

Upgrading to version 12.9.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-138585, VDB-138607, VDB-138640 and VDB-138677 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Multimedia Player Software

Vendor

Apple

Name

iTunes

Version

License

free

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iTunes 12.9.6

Timelineinfo

02/18/2019 🔍
07/23/2019 +155 days 🔍
07/23/2019 +0 days 🔍
07/24/2019 +1 days 🔍
11/07/2023 +1567 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210356
Researcher: G. Geshev
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2019-8644 (🔍)
GCVE (CVE): GCVE-0-2019-8644
GCVE (VulDB): GCVE-100-138722
See also: 🔍

Entryinfo

Created: 07/24/2019 22:08
Updated: 11/07/2023 13:57
Changes: 07/24/2019 22:08 (64), 07/11/2020 16:52 (1), 11/07/2023 13:57 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.