Apple iCloud up to 7.19 on Windows ImageIO memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple iCloud up to 7.19 on Windows. Affected by this vulnerability is an unknown functionality of the component ImageIO. The manipulation results in memory corruption. This vulnerability is reported as CVE-2020-9871. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iCloud up to 7.19 on Windows (Cloud Software). Affected is an unknown function of the component ImageIO. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 08/10/2020 by Xingwei Lin with Ant-financial Light-Year Security Lab as HT211295 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2020-9871. 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 write issue was addressed with improved bounds checking.

Upgrading to version 7.20 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-159832, VDB-159853, VDB-159854 and VDB-159855 are pretty similar. 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: 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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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 7.20

Timelineinfo

03/02/2020 🔍
08/10/2020 +161 days 🔍
08/10/2020 +0 days 🔍
08/13/2020 +3 days 🔍
11/09/2020 +88 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211295
Researcher: Xingwei Lin
Organization: Ant-financial Light-Year Security Lab
Status: Confirmed

CVE: CVE-2020-9871 (🔍)
GCVE (CVE): GCVE-0-2020-9871
GCVE (VulDB): GCVE-100-159852
See also: 🔍

Entryinfo

Created: 08/13/2020 15:41
Updated: 11/09/2020 14:13
Changes: 08/13/2020 15:41 (47), 08/13/2020 15:46 (2), 11/09/2020 14:05 (2), 11/09/2020 14:13 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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