Apple iCloud up to 6.0 on Windows WebKit State memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple iCloud up to 6.0 on Windows. The affected element is an unknown function of the component WebKit. The manipulation leads to memory corruption (State). This vulnerability is documented as CVE-2016-7645. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iCloud up to 6.0 on Windows (Cloud Software). This issue affects some unknown processing of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability (State). Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 12/13/2016 as HT207424 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-7645. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

Multiple memory corruption issues were addressed through improved state management.

The vulnerability scanner Nessus provides a plugin with the ID 96676 (Fedora 25 : webkitgtk4 (2017-b015aa1d33)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370265 (Apple iTunes Prior to 12.5.4 Multiple Vulnerabilities (HT207427)).

Upgrading to version 6.1 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 (96676) and SecurityFocus (BID 94907†). Entries connected to this vulnerability are available at VDB-94199, VDB-94200, VDB-94201 and VDB-94202. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: State
Class: Memory corruption / State
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: 96676
Nessus Name: Fedora 25 : webkitgtk4 (2017-b015aa1d33)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Multiple Vulnerabilities Feb17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iCloud 6.1

Timelineinfo

09/09/2016 🔍
12/13/2016 +95 days 🔍
12/13/2016 +0 days 🔍
12/14/2016 +1 days 🔍
02/20/2017 +68 days 🔍
10/07/2022 +2055 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207424
Status: Confirmed

CVE: CVE-2016-7645 (🔍)
GCVE (CVE): GCVE-0-2016-7645
GCVE (VulDB): GCVE-100-94331
SecurityFocus: 94907
SecurityTracker: 1037459

See also: 🔍

Entryinfo

Created: 12/14/2016 13:31
Updated: 10/07/2022 14:29
Changes: 12/14/2016 13:31 (47), 04/28/2019 19:22 (19), 10/07/2022 14:24 (4), 10/07/2022 14:27 (11), 10/07/2022 14:29 (1)
Complete: 🔍
Cache ID: 216::103

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

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