Apple iCloud up to 11.5 on Windows ImageIO out-of-bounds write

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 11.5 on Windows. It has been classified as critical. This affects an unknown function of the component ImageIO. The manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2020-29611. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iCloud up to 11.5 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 out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was presented 01/26/2021 by Ivan Fratric as HT212145 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2020-29611. 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:

Processing a maliciously crafted image may lead to arbitrary code execution

Upgrading to version 12.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An out-of-bounds write issue was addressed with improved bounds checking.

Statistical analysis made it clear that VulDB provides the best quality 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: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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 12.0

Timelineinfo

12/08/2020 🔍
01/26/2021 +49 days 🔍
01/26/2021 +0 days 🔍
01/28/2021 +2 days 🔍
02/20/2021 +23 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212145
Researcher: Ivan Fratric
Status: Confirmed

CVE: CVE-2020-29611 (🔍)
GCVE (CVE): GCVE-0-2020-29611
GCVE (VulDB): GCVE-100-168803

Entryinfo

Created: 01/28/2021 06:29
Updated: 02/20/2021 19:51
Changes: 01/28/2021 06:29 (19), 01/28/2021 06:33 (28), 02/20/2021 19:51 (4)
Complete: 🔍
Cache ID: 216::103

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