Apple iCloud up to 6.2.1 on Windows WebKit Memory input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple iCloud up to 6.2.1 on Windows. This vulnerability affects unknown code of the component WebKit. Performing a manipulation results in input validation (Memory). This vulnerability was named CVE-2017-7064. The attack needs to be approached locally. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple iCloud up to 6.2.1 on Windows (Cloud Software). This affects an unknown code of the component WebKit. The manipulation with an unknown input leads to a input validation vulnerability (Memory). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality.

The bug was discovered 07/19/2017. The weakness was presented 07/19/2017 by lokihardt with Google Project Zero as HT207927 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-7064 since 03/17/2017. Attacking locally is a requirement. A authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The advisory points out:

A memory initialization issue was addressed through improved memory handling.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 104428 (SUSE SLED12 / SLES12 Security Update : webkit2gtk3 (SUSE-SU-2017:2933-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE 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 Exploit-DB (42375), Tenable (104428) and SecurityFocus (BID 99890†). See VDB-104146, VDB-104143, VDB-104145 and VDB-104140 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

Name: Memory
Class: Input validation / Memory
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Nessus ID: 104428
Nessus Name: SUSE SLED12 / SLES12 Security Update : webkit2gtk3 (SUSE-SU-2017:2933-1)
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: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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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 🔍
07/19/2017 +0 days 🔍
07/20/2017 +1 days 🔍
07/20/2017 +0 days 🔍
11/07/2017 +110 days 🔍
06/13/2025 +2775 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207927
Researcher: lokihardt (lokihardt)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7064 (🔍)
GCVE (CVE): GCVE-0-2017-7064
GCVE (VulDB): GCVE-100-104283
SecurityFocus: 99890 - Apple iTunes/iCloud/Safari/iOS Multiple Security Vulnerabilities
SecurityTracker: 1038950

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/20/2017 17:58
Updated: 06/13/2025 12:31
Changes: 07/20/2017 17:58 (82), 06/03/2020 10:07 (9), 01/05/2021 16:35 (4), 01/05/2021 16:38 (1), 06/13/2025 12:31 (15)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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