Apple iCloud up to 11.2 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 has been found in Apple iCloud up to 11.2 on Windows. Impacted is an unknown function of the component ImageIO. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2020-9938. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iCloud up to 11.2 on Windows (Cloud Software). This affects some unknown processing 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 shared 08/10/2020 by Xingwei Lin with Ant-financial Light-Year Security Lab as HT211294 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2020-9938. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

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

Upgrading to version 11.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-159839, VDB-159859, VDB-159872 and VDB-159873 are related to this item. Be aware that VulDB is the high quality 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 11.3

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: HT211294
Researcher: Xingwei Lin
Organization: Ant-financial Light-Year Security Lab
Status: Confirmed

CVE: CVE-2020-9938 (🔍)
GCVE (CVE): GCVE-0-2020-9938
GCVE (VulDB): GCVE-100-159879
See also: 🔍

Entryinfo

Created: 08/13/2020 15:48
Updated: 11/09/2020 19:31
Changes: 08/13/2020 15:48 (47), 08/13/2020 15:53 (2), 11/09/2020 19:28 (2), 11/09/2020 19:31 (8)
Complete: 🔍
Cache ID: 216::103

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