Apple Watch OS 1.0 FontParser memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Watch OS 1.0. It has been declared as critical. This vulnerability affects unknown code of the component FontParser. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2015-1093. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Watch OS 1.0 (Smartwatch Operating System) and classified as critical. Affected by this issue is some unknown processing of the component FontParser. 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. CVE summarizes:

FontParser in Apple iOS before 8.3 and Apple OS X before 10.10.3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file.

The weakness was disclosed 05/19/2015 by Marc Schoenefeld as HT204870 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2015-1093 since 01/16/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 82699 (Mac OS X 10.10.x < 10.10.3 Multiple Vulnerabilities (FREAK)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123515 (Apple Mac OS X v10.10.3 and Security Update 2015-004 Not Installed (APPLE-SA-2015-04-08-2)).

Upgrading to version 1.0.1 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 Tenable (82699), SecurityFocus (BID 73984†) and Vulnerability Center (SBV-52475†). scip.ch is providing further details. The entries VDB-69184, VDB-74699, VDB-74709 and VDB-74710 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82699
Nessus Name: Mac OS X 10.10.x < 10.10.3 Multiple Vulnerabilities (FREAK)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 Apr15
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Watch OS 1.0.1

Timelineinfo

01/16/2015 🔍
04/08/2015 +82 days 🔍
04/08/2015 +0 days 🔍
04/10/2015 +2 days 🔍
05/19/2015 +39 days 🔍
05/19/2015 +0 days 🔍
05/20/2015 +1 days 🔍
09/08/2015 +111 days 🔍
11/30/2024 +3371 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT204870
Researcher: Marc Schoenefeld
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1093 (🔍)
GCVE (CVE): GCVE-0-2015-1093
GCVE (VulDB): GCVE-100-75452
SecurityFocus: 73984 - Apple Mac OS X Prior to 10.10.3 and iOS Prior to 8.3 Multiple Security Vulnerabilities
SecurityTracker: 1032048
Vulnerability Center: 52475 - Apple MacOS X Remote Code Execution via a Crafted Font File - CVE-2015-1093, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/20/2015 10:45
Updated: 11/30/2024 23:17
Changes: 05/20/2015 10:45 (63), 10/08/2018 15:09 (14), 05/18/2022 02:14 (2), 05/18/2022 02:21 (1), 11/30/2024 23:17 (16)
Complete: 🔍
Cache ID: 216::103

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