Apple iOS/iPadOS up to 13.5.1 Kernel memory corruption

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8.4$5k-$25k0.00

A vulnerability was found in Apple iOS and iPadOS up to 13.5.1 (Smartphone Operating System). It has been rated as critical. Affected by this issue is an unknown part of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, watchOS 6.2.8. A malicious application may be able to execute arbitrary code with system privileges.

The weakness was presented 07/15/2020 as HT211288 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2020-9923 since 03/02/2020. The attack needs to be approached locally. A simple authentication is necessary for exploitation. 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 11/03/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

Upgrading to version 13.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See 158577, 158578, 158579 and 158580 for similar entries.

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VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

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VulDB Base Score: 🔒
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VulDB Reliability: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: iOS/iPadOS 13.6

Timelineinfoedit

03/02/2020 CVE assigned
07/15/2020 +135 days Advisory disclosed
07/15/2020 +0 days Countermeasure disclosed
07/16/2020 +1 days VulDB entry created
11/03/2020 +110 days VulDB last update

Sourcesinfoedit

Vendor: https://www.apple.com/

Advisory: HT211288
Status: Confirmed

CVE: CVE-2020-9923 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔒

Entryinfoedit

Created: 07/16/2020 06:16 PM
Updated: 11/03/2020 10:52 AM
Changes: (8) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a
Complete: 🔍

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