Apple iCloud up to 7.18/11.1 on Windows ImageIO out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iCloud up to 7.18/11.1 on Windows and classified as critical. This vulnerability affects unknown code of the component ImageIO. The manipulation results in out-of-bounds. This vulnerability is identified as CVE-2020-3878. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iCloud up to 7.18/11.1 on Windows (Cloud Software). It has been classified as critical. Affected is an unknown code of the component ImageIO. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 05/26/2020 by Samuel Gross with Google Project Zero as HT211179/HT211181 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2020-3878. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

An out-of-bounds read was addressed with improved input validation.

Upgrading to version 7.19 or 11.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-150571, VDB-150595, VDB-150620 and VDB-150660. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iCloud 7.19/11.2

Timelineinfo

12/18/2019 🔍
05/26/2020 +160 days 🔍
05/26/2020 +0 days 🔍
05/30/2020 +4 days 🔍
10/20/2020 +143 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211179/HT211181
Researcher: Samuel Gross
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2020-3878 (🔍)
GCVE (CVE): GCVE-0-2020-3878
GCVE (VulDB): GCVE-100-155796
See also: 🔍

Entryinfo

Created: 05/30/2020 07:15
Updated: 10/20/2020 12:13
Changes: 05/30/2020 07:15 (48), 05/30/2020 07:20 (16), 10/20/2020 12:13 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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