Apple iCloud up to 6.2.1 on Windows WebKit Page Loading memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple iCloud up to 6.2.1 on Windows. This issue affects some unknown processing of the component WebKit Page Loading. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-7019. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Apple iCloud up to 6.2.1 on Windows (Cloud Software). This vulnerability affects an unknown code block of the component WebKit Page Loading. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 07/19/2017. The weakness was shared 07/19/2017 by Zhiyang Zeng (lokihardt) with Ant-financial Light-Year Security Lab as HT207927 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2017-7019 since 03/17/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 101956 (Apple iTunes < 12.6.2 Multiple Vulnerabilities (macOS) (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370477 (Apple iTunes Prior to 12.6.2 Multiple Memory Currption Vulnerabilities. (APPLE-SA-2017-07-19-6)).

Upgrading to version 6.2.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101956) and SecurityFocus (BID 99885†). The entries VDB-104146, VDB-104143, VDB-104145 and VDB-104140 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101956
Nessus Name: Apple iTunes < 12.6.2 Multiple Vulnerabilities (macOS) (credentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Multiple Vulnerabilities-HT207921 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iCloud 6.2.2

Timelineinfo

03/17/2017 🔍
07/19/2017 +124 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/20/2017 +1 days 🔍
07/20/2017 +0 days 🔍
07/20/2017 +0 days 🔍
07/25/2017 +5 days 🔍
01/05/2021 +1260 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207927
Researcher: Zhiyang Zeng (lokihardt)
Organization: Ant-financial Light-Year Security Lab
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7019 (🔍)
GCVE (CVE): GCVE-0-2017-7019
GCVE (VulDB): GCVE-100-104284
SecurityFocus: 99885 - WebKit Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1038950

See also: 🔍

Entryinfo

Created: 07/20/2017 17:58
Updated: 01/05/2021 16:43
Changes: 07/20/2017 17:58 (78), 06/03/2020 11:19 (8), 01/05/2021 16:43 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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