Apple iOS/iPadOS up to 14.1 CoreText state issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple iOS and iPadOS up to 14.1. Affected by this vulnerability is an unknown functionality of the component CoreText. This manipulation causes state issue. This vulnerability appears as CVE-2020-27922. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple iOS and iPadOS up to 14.1 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component CoreText. The manipulation with an unknown input leads to a state issue vulnerability. The CWE definition for the vulnerability is CWE-371. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 12/14/2020 by Mickey Jin as confirmed advisory (Website). This vulnerability is known as CVE-2020-27922 since 10/27/2020. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/08/2021). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 14.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: State issue
CWE: CWE-371
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: iOS/iPadOS 14.2

Timelineinfo

10/27/2020 🔍
12/14/2020 +48 days 🔍
12/14/2020 +0 days 🔍
04/03/2021 +110 days 🔍
04/08/2021 +5 days 🔍

Sourcesinfo

Vendor: apple.com

Researcher: Mickey Jin
Status: Confirmed

CVE: CVE-2020-27922 (🔍)
GCVE (CVE): GCVE-0-2020-27922
GCVE (VulDB): GCVE-100-172183
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 04/03/2021 09:59
Updated: 04/08/2021 11:02
Changes: 04/03/2021 09:59 (35), 04/08/2021 10:55 (10), 04/08/2021 11:02 (18)
Complete: 🔍
Cache ID: 216::103

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