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 was found in Apple iCloud up to 7.19 on Windows. It has been classified as critical. Impacted is an unknown function of the component ImageIO. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2020-9937. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iCloud up to 7.19 on Windows (Cloud Software). It has been rated as critical. This issue affects an unknown code block of the component ImageIO. 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.

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 at support.apple.com. The identification of this vulnerability is CVE-2020-9937. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are 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-159837, VDB-159852, VDB-159853 and VDB-159854 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

AVACAuCIA
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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-2020-9937 (🔍)
GCVE (CVE): GCVE-0-2020-9937
GCVE (VulDB): GCVE-100-159857
See also: 🔍

Entryinfo

Created: 08/13/2020 15:42
Updated: 11/09/2020 15:14
Changes: 08/13/2020 15:42 (47), 08/13/2020 15:47 (2), 11/09/2020 15:05 (2), 11/09/2020 15:14 (8)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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