Apple macOS up to 11.1 ImageIO out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability classified as critical has been found in Apple macOS up to 11.1 (Operating System). Affected is an unknown function of the component ImageIO. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes 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 disclosed 02/01/2021 by Xingwei Lin as HT212147 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2021-1744. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/23/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Processing a maliciously crafted image may lead to arbitrary code execution

Upgrading to version 11.2 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 was addressed with improved input validation.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

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

Exploitinginfo

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

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: macOS 11.2

Timelineinfo

12/08/2020 🔍
02/01/2021 +55 days 🔍
02/01/2021 +0 days 🔍
02/03/2021 +2 days 🔍
02/23/2021 +20 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212147
Researcher: Xingwei Lin
Status: Confirmed

CVE: CVE-2021-1744 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 02/03/2021 13:51
Updated: 02/23/2021 06:44
Changes: 02/03/2021 13:51 (19), 02/03/2021 13:54 (28), 02/23/2021 06:44 (4)
Complete: 🔍

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