Apple Watch up to 1.0.2 removefile memory corruption

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CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as problematic was found in Apple Watch up to 1.0.2 (Smartwatch Operating System). Affected by this vulnerability is an unknown functionality of the component removefile. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect availability.

The weakness was released 09/23/2015 as HT205213 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2015-5840 since 08/06/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

An overflow fault existed in the checkint division routines. This issue was addressed with improved division routines.

The vulnerability scanner Nessus provides a plugin with the ID 86270 (Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks.

Upgrading to version 2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 76764), Vulnerability Center (SBV-53092) and Tenable (86270). Entries connected to this vulnerability are available at 9015, 68413, 74127 and 77828.

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CVSSv3infoedit

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: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
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Exploitinginfoedit

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86270
Nessus Name: Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)
Nessus File: 🔍
Nessus Family: 🔍

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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Watch 2

Timelineinfoedit

08/06/2015 🔍
09/18/2015 +43 days 🔍
09/23/2015 +5 days 🔍
09/23/2015 +0 days 🔍
09/28/2015 +5 days 🔍
09/30/2015 +2 days 🔍
10/01/2015 +1 days 🔍
05/21/2017 +598 days 🔍
02/01/2018 +256 days 🔍

Sourcesinfoedit

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

Advisory: HT205213
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5840 (🔍)
SecurityFocus: 76764
Vulnerability Center: 53092 - Apple watchOS &lt;2 Dos due to a Flaw in the Checkint Division Routines - CVE-2015-5840, Medium

See also: 🔍

Entryinfoedit

Created: 09/28/2015 10:14 AM
Updated: 02/01/2018 07:30 AM
Changes: (8) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai advisory_confirm_url source_cve_assigned
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