Apple iCloud up to 7.5 on Windows WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple iCloud up to 7.5 on Windows. This affects an unknown function of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2018-4273. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iCloud up to 7.5 on Windows (Cloud Software). It has been rated as critical. Affected by this issue is an unknown code block 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. CVE summarizes:

Multiple memory corruption issues were addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

The bug was discovered 07/09/2018. The weakness was released 07/09/2018 as HT208932 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2018-4273 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. The technical details are unknown and an exploit is not available. The advisory points out:

Multiple memory corruption issues were addressed with improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 111109 (macOS : Apple Safari < 11.1.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171580 (OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2018:2781-1)).

Upgrading to version 7.6 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 (111109). Entries connected to this vulnerability are available at VDB-120972, VDB-120960, VDB-120961 and VDB-120962. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

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: 111109
Nessus Name: macOS : Apple Safari < 11.1.2 Multiple Vulnerabilities
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 7.6

Timelineinfo

01/02/2018 🔍
07/09/2018 +188 days 🔍
07/09/2018 +0 days 🔍
07/09/2018 +0 days 🔍
07/10/2018 +1 days 🔍
07/16/2018 +6 days 🔍
03/03/2020 +596 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208932
Status: Confirmed

CVE: CVE-2018-4273 (🔍)
GCVE (CVE): GCVE-0-2018-4273
GCVE (VulDB): GCVE-100-120986
See also: 🔍

Entryinfo

Created: 07/10/2018 14:14
Updated: 03/03/2020 19:23
Changes: 07/10/2018 14:14 (67), 03/03/2020 19:23 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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