Apple iOS/iPadOS up to 13.5.1 Kernel memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS and iPadOS up to 13.5.1. Affected by this issue is some unknown functionality of the component Kernel. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2020-9923. The attack must be carried out locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

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. 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 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. 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 07/16/2020). 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 VDB-158577, VDB-158578, VDB-158579 and VDB-158580 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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: Partially

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 13.6

Timelineinfo

03/02/2020 🔍
07/15/2020 +135 days 🔍
07/15/2020 +0 days 🔍
07/16/2020 +1 days 🔍
11/03/2020 +110 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211288
Status: Confirmed

CVE: CVE-2020-9923 (🔍)
GCVE (CVE): GCVE-0-2020-9923
GCVE (VulDB): GCVE-100-158588
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 07/16/2020 18:16
Updated: 11/03/2020 10:52
Changes: 07/16/2020 18:16 (45), 07/16/2020 18:21 (2), 11/03/2020 10:44 (2), 11/03/2020 10:52 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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