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 identified as critical has been detected in Apple iCloud up to 6.0 on Windows. This affects an unknown part of the component WebKit. This manipulation causes memory corruption (State). This vulnerability is tracked as CVE-2016-7639. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iCloud up to 6.0 on Windows (Cloud Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability (State). 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 weakness was disclosed 12/13/2016 with Palo Alto Networks as HT207424 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2016-7639. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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†). The entries VDB-94199, VDB-94200, VDB-94201 and VDB-94202 are pretty similar. Be aware that VulDB is the high quality 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: 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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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
Organization: Palo Alto Networks
Status: Confirmed

CVE: CVE-2016-7639 (🔍)
GCVE (CVE): GCVE-0-2016-7639
GCVE (VulDB): GCVE-100-94327
SecurityFocus: 94907
SecurityTracker: 1037459

See also: 🔍

Entryinfo

Created: 12/14/2016 13:31
Updated: 10/07/2022 13:43
Changes: 12/14/2016 13:31 (48), 04/28/2019 19:21 (19), 10/07/2022 13:33 (4), 10/07/2022 13:38 (11), 10/07/2022 13:43 (1)
Complete: 🔍
Cache ID: 216:731:103

Be aware that VulDB is the high quality source for vulnerability data.

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