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 categorized as critical has been discovered in Apple iCloud up to 6.0 on Windows. This issue affects some unknown processing of the component WebKit. Such manipulation leads to memory corruption (State). This vulnerability is referenced as CVE-2016-7632. It is possible to launch the attack remotely. No exploit is available. It is advisable 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). Affected by this issue is an unknown functionality 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 published 12/13/2016 by Jeonghoon Shin as HT207424 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2016-7632. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

A memory corruption issue was addressed through improved state management.

The vulnerability scanner Nessus provides a plugin with the ID 254374 (Linux Distros Unpatched Vulnerability : CVE-2016-7632), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276387 (Fedora Security Update for webkitgtk4 (FEDORA-2017-b015aa1d33)).

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 vulnerability database at Tenable (254374). Similar entries are available at VDB-94216, VDB-94221, VDB-94222 and VDB-94220. Once again VulDB remains the best source 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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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: 254374
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2016-7632

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 🔍
08/25/2025 +3176 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207424
Researcher: Jeonghoon Shin
Status: Confirmed

CVE: CVE-2016-7632 (🔍)
GCVE (CVE): GCVE-0-2016-7632
GCVE (VulDB): GCVE-100-94340
SecurityFocus: 94907
SecurityTracker: 1037459

See also: 🔍

Entryinfo

Created: 12/14/2016 13:31
Updated: 08/25/2025 14:55
Changes: 12/14/2016 13:31 (47), 04/28/2019 19:21 (4), 10/07/2022 15:59 (4), 10/07/2022 16:04 (18), 08/25/2025 14:55 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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