Apple iOS up to 11.2.4 Core Bluetooth memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 11.2.4. It has been classified as critical. This affects an unknown function of the component Core Bluetooth. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2018-4095. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iOS up to 11.2.4 (Smartphone Operating System). This affects an unknown code block of the component Core Bluetooth. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 01/23/2018. The weakness was presented 01/26/2018 with Zimperium zLabs as HT208463 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2018-4095 since 01/02/2018. An attack has to be approached locally. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/02/2021). 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 11.2.5 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102774†). See VDB-112574, VDB-112578, VDB-112579 and VDB-112580 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: 🔍

0-Day Time: 🔍

Upgrade: iOS 11.2.5

Timelineinfo

01/02/2018 🔍
01/23/2018 +21 days 🔍
01/23/2018 +0 days 🔍
01/23/2018 +0 days 🔍
01/26/2018 +3 days 🔍
01/28/2018 +2 days 🔍
04/03/2018 +65 days 🔍
02/02/2021 +1036 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208463
Researcher: Rani Idan
Organization: Zimperium zLabs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4095 (🔍)
GCVE (CVE): GCVE-0-2018-4095
GCVE (VulDB): GCVE-100-112593
SecurityFocus: 102774 - Apple iOS/tvOS/watchOS Memory Corruption Vulnerabilities
SecurityTracker: 1040265

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 01/28/2018 19:00
Updated: 02/02/2021 09:18
Changes: 01/28/2018 19:00 (66), 12/30/2019 17:24 (5), 02/02/2021 09:11 (3), 02/02/2021 09:18 (1)
Complete: 🔍
Cache ID: 216:C80:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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