CVE-2017-13820: Input Validation

Published Sep 25, 2017
·
Updated

An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "ATS" component. It allows remote attackers to obtain sensitive information from process memory or cause a denial of service (memory corruption) via a crafted font.

Other sources

ATS. A memory corruption issue was addressed with improved input validation.

Credit

John Villamil, Doyensec

Affected Software

5 affected componentsFixes available
Apple macOS High Sierra<10.13
10.13
Apple macOS High Sierra<10.13.1
10.13.1
Apple Sierra
Apple El Capitan
Apple iOS and macOS<=10.13.0

Event History

Nov 13, 2017
CVE Published
via MITRE·03:00 AM
Data Sourced
via MITRE·03:00 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2017-13820?

CVE-2017-13820 is a memory corruption vulnerability that affects certain versions of macOS High Sierra and allows remote attackers to obtain sensitive information or cause a denial of service.

2

How does CVE-2017-13820 impact macOS High Sierra?

CVE-2017-13820 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (memory corruption) on macOS High Sierra.

3

How can this vulnerability be exploited?

This vulnerability can be exploited by remote attackers through a crafted font, which can lead to memory corruption and the exposure of sensitive information on the affected system.

4

What is the severity of CVE-2017-13820?

CVE-2017-13820 has a severity rating of 7.1 (high).

5

Is there a fix for CVE-2017-13820?

Yes, it is recommended to update macOS High Sierra to version 10.13.1 or later to mitigate the vulnerability.

Contact

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