Apple iCloud up to 7.4 on Windows WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple iCloud up to 7.4 on Windows. This vulnerability affects unknown code of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2018-4199. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iCloud up to 7.4 on Windows (Cloud Software). Affected by this issue is an unknown function of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. 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 bug was discovered 06/01/2018. The weakness was presented 06/01/2018 by Alex Plaskett with Zero Day Initiative as HT208853 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2018-4199 since 01/02/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

A buffer overflow issue was addressed with improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 110384 (Apple iTunes < 12.7.5 Multiple Vulnerabilities (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370984 (Apple iCloud for Windows Prior to 7.5 Multiple Vulnerabilities(HT208853)).

Upgrading to version 7.5 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 (110384). See VDB-118648, VDB-118652, VDB-118657 and VDB-118659 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 🔍
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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: 110384
Nessus Name: Apple iTunes < 12.7.5 Multiple Vulnerabilities (credentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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 7.5

Timelineinfo

01/02/2018 🔍
06/01/2018 +150 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/03/2018 +2 days 🔍
06/06/2018 +3 days 🔍
06/08/2018 +1 days 🔍
03/20/2023 +1746 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208853
Researcher: Alex Plaskett
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4199 (🔍)
GCVE (CVE): GCVE-0-2018-4199
GCVE (VulDB): GCVE-100-118748
SecurityFocus: 103961
SecurityTracker: 1041029

See also: 🔍

Entryinfo

Created: 06/03/2018 14:47
Updated: 03/20/2023 18:39
Changes: 06/03/2018 14:47 (77), 02/12/2020 15:54 (3), 03/20/2023 18:31 (5), 03/20/2023 18:39 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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