Apple iOS/iPadOS up to 14.6 AVEVideoEncoder memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple iOS and iPadOS up to 14.6. This issue affects some unknown processing of the component AVEVideoEncoder. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2021-30748. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS and iPadOS up to 14.6 (Smartphone Operating System). Affected by this issue is an unknown function of the component AVEVideoEncoder. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was published 07/19/2021 by George Nosenko as HT212601 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2021-30748. 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 07/23/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An application may be able to execute arbitrary code with kernel privileges

Upgrading to version 14.7 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed with improved state management.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: Memory corruption
CWE: 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 14.7

Timelineinfo

04/13/2021 🔍
07/19/2021 +97 days 🔍
07/19/2021 +0 days 🔍
07/23/2021 +4 days 🔍
07/27/2021 +4 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212601
Researcher: George Nosenko
Status: Confirmed

CVE: CVE-2021-30748 (🔍)
GCVE (CVE): GCVE-0-2021-30748
GCVE (VulDB): GCVE-100-179480
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 07/23/2021 08:07
Updated: 07/27/2021 15:33
Changes: 07/23/2021 08:07 (19), 07/23/2021 08:11 (28), 07/27/2021 15:33 (1)
Complete: 🔍
Cache ID: 216::103

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