Apple iOS/iPadOS up to 15.0.2 Voice Control use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.1$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS up to 15.0.2. It has been declared as problematic. Affected is an unknown function of the component Voice Control. Such manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2021-30902. Local access is required to approach this attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS and iPadOS up to 15.0.2 (Smartphone Operating System). Affected by this issue is some unknown processing of the component Voice Control. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/25/2021 by 08Tc3wBB as HT212867 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2021-30902. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/27/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A local attacker may be able to cause unexpected application termination or arbitrary code execution

Upgrading to version 15.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A use after free issue was addressed with improved memory management.

Once again VulDB remains the best source 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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 15.1

Timelineinfo

04/13/2021 🔍
10/25/2021 +195 days 🔍
10/25/2021 +0 days 🔍
10/27/2021 +2 days 🔍
10/31/2021 +4 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212867
Researcher: 08Tc3wBB
Status: Confirmed

CVE: CVE-2021-30902 (🔍)
GCVE (CVE): GCVE-0-2021-30902
GCVE (VulDB): GCVE-100-185492
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 10/27/2021 08:26
Updated: 10/31/2021 09:57
Changes: 10/27/2021 08:26 (8), 10/27/2021 08:27 (11), 10/27/2021 08:30 (28), 10/31/2021 09:57 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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