Apple iOS/iPadOS up to 14.5.1 Heimdal memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$5k-$25k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apple iOS and iPadOS up to 14.5.1. This affects an unknown function of the component Heimdal. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2021-30710. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple iOS and iPadOS up to 14.5.1 (Smartphone Operating System) and classified as problematic. This vulnerability affects an unknown part of the component Heimdal. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 05/24/2021 by Gabe Kirkpatrick as HT212528 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2021-30710. 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 05/27/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A malicious application may cause a denial of service or potentially disclose memory contents

Upgrading to version 14.6 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 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 14.6

Timelineinfo

04/13/2021 🔍
05/24/2021 +41 days 🔍
05/24/2021 +0 days 🔍
05/25/2021 +1 days 🔍
05/27/2021 +2 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212528
Researcher: Gabe Kirkpatrick
Status: Confirmed

CVE: CVE-2021-30710 (🔍)
GCVE (CVE): GCVE-0-2021-30710
GCVE (VulDB): GCVE-100-175612
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 05/25/2021 09:54
Updated: 05/27/2021 16:15
Changes: 05/25/2021 09:54 (19), 05/25/2021 09:58 (28), 05/27/2021 16:15 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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