Apple iOS/iPadOS FontParser out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS. It has been rated as critical. This affects an unknown part of the component FontParser. This manipulation causes out-of-bounds. This vulnerability is tracked as CVE-2020-29608. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Apple iOS and iPadOS (Smartphone Operating System) (version unknown). Affected by this vulnerability is an unknown function of the component FontParser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 02/01/2021 by Xingwei Lin as confirmed advisory (Website). This vulnerability is known as CVE-2020-29608 since 12/08/2020. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k 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 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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: Out-of-bounds
CWE: CWE-125 / 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: 🔍

Timelineinfo

12/08/2020 🔍
02/01/2021 +55 days 🔍
02/01/2021 +0 days 🔍
04/03/2021 +61 days 🔍
04/08/2021 +5 days 🔍

Sourcesinfo

Vendor: apple.com

Researcher: Xingwei Lin
Status: Confirmed

CVE: CVE-2020-29608 (🔍)
GCVE (CVE): GCVE-0-2020-29608
GCVE (VulDB): GCVE-100-172207
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 04/03/2021 10:31
Updated: 04/08/2021 13:48
Changes: 04/03/2021 10:31 (33), 04/08/2021 13:48 (10)
Complete: 🔍
Cache ID: 216::103

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