Apple macOS FontParser Remote Code Execution

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

Summaryinfo

A vulnerability marked as critical has been reported in Apple macOS. Affected by this vulnerability is an unknown functionality of the component FontParser. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2021-30788. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS (Operating System) (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code of the component FontParser. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 07/21/2021 by tr3e as HT212602 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2021-30788. 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 tiff file may lead to a denial-of-service or potentially disclose memory contents

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

This issue was addressed with improved checks.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

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: Remote Code Execution
CWE: Unknown
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: 🔍

Timelineinfo

04/13/2021 🔍
07/21/2021 +99 days 🔍
07/21/2021 +0 days 🔍
07/23/2021 +2 days 🔍
07/28/2021 +5 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212602
Researcher: tr3e
Status: Confirmed

CVE: CVE-2021-30788 (🔍)
GCVE (CVE): GCVE-0-2021-30788
GCVE (VulDB): GCVE-100-179575
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/23/2021 10:21
Updated: 07/28/2021 10:16
Changes: 07/23/2021 10:21 (16), 07/23/2021 10:24 (28), 07/28/2021 10:16 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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