Apple iTunes up to 12.9.1 on Windows WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple iTunes up to 12.9.1 on Windows. Affected by this issue is some unknown functionality of the component WebKit. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2018-4437. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple iTunes up to 12.9.1 on Windows (Multimedia Player Software). This vulnerability affects some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. 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. CVE summarizes:

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.

The bug was discovered 12/05/2018. The weakness was disclosed 12/05/2018 by HyungSeok Han, DongHyeon Oh and Sang Kil Cha with KAIST Softsec Lab as HT209345 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2018-4437 since 01/02/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 121206 (SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2019:0092-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371368 (Apple iTunes for Windows Prior to 12.9.2 Multiple Vulnerabilities (HT209345)).

Upgrading to version 12.9.2 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 (121206) and SecurityFocus (BID 106691†). The entries VDB-127582, VDB-127574, VDB-127575 and VDB-127577 are pretty similar. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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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
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CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 121206
Nessus Name: SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2019:0092-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: iTunes 12.9.2

Timelineinfo

01/02/2018 🔍
12/05/2018 +337 days 🔍
12/05/2018 +0 days 🔍
12/05/2018 +0 days 🔍
12/06/2018 +1 days 🔍
01/16/2019 +41 days 🔍
01/22/2019 +6 days 🔍
04/18/2020 +452 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209345
Researcher: HyungSeok Han, DongHyeon Oh, Sang Kil Cha
Organization: KAIST Softsec Lab
Status: Confirmed

CVE: CVE-2018-4437 (🔍)
GCVE (CVE): GCVE-0-2018-4437
GCVE (VulDB): GCVE-100-127612
SecurityFocus: 106691 - WebKit Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/06/2018 18:26
Updated: 04/18/2020 14:09
Changes: 12/06/2018 18:26 (71), 04/18/2020 14:09 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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