Apple macOS up to 10.12.5 Open Scripting Architecture memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Apple macOS up to 10.12.5. This vulnerability affects unknown code of the component Open Scripting Architecture. The manipulation results in memory corruption. This vulnerability is identified as CVE-2017-13850. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.12.5 (Operating System). Affected is an unknown functionality of the component Open Scripting Architecture. 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. CVE summarizes:

An issue was discovered in certain Apple products. macOS before 10.12.6 is affected. The issue involves the "Font Importer" component. It allows remote attackers to cause a denial of service (memory corruption) or obtain sensitive information from process memory via a crafted font.

The bug was discovered 11/02/2017. The weakness was released 04/03/2018 (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2017-13850 since 08/30/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 103598 (macOS < 10.13 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370475 (Apple macOS Sierra Security Update 10.12.6, El Capitan 2017-003 and Yosemite 2017-003 Not Installed (2017-003)).

Upgrading to version 10.12.6 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103598) and SecurityFocus (BID 91816†). Entries connected to this vulnerability are available at VDB-89669, VDB-89849, VDB-98603 and VDB-99763. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.1
NVD Vector: 🔍

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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103598
Nessus Name: macOS < 10.13 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: macOS 10.12.6

Timelineinfo

07/18/2016 🔍
08/30/2017 +408 days 🔍
09/25/2017 +26 days 🔍
10/03/2017 +8 days 🔍
11/02/2017 +30 days 🔍
04/03/2018 +152 days 🔍
04/03/2018 +0 days 🔍
04/03/2018 +0 days 🔍
02/08/2021 +1042 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Researcher: Scott Geary
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13850 (🔍)
GCVE (CVE): GCVE-0-2017-13850
GCVE (VulDB): GCVE-100-115536
SecurityFocus: 91816 - Apache HTTP Server CVE-2016-5387 Security Bypass Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 04/03/2018 14:32
Updated: 02/08/2021 09:59
Changes: 04/03/2018 14:32 (72), 01/20/2020 10:35 (4), 02/08/2021 09:59 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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