CVE-2017-2423: Critical severity Apple iOS vulnerability

Published Mar 27, 2017
·
Updated

Security. An validation issue existed with cryptographic API calls. This issue was addressed through improved parameter validation.

Other sources

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. The issue involves the "Security" component. It allows remote attackers to bypass intended access restrictions by leveraging a successful result from a SecKeyRawVerify API call with an empty signature.

Credit

an anonymous researcher

Affected Software

3 affected componentsFixes available
Apple iOS<10.3
10.3
Apple iPhone OS<=10.2.1
Apple iOS and macOS<=10.12.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 10.3

Event History

Apr 2, 2017
CVE Published
via MITRE·01:36 AM
Data Sourced
via MITRE·01:36 AM
Description
Data Sourced
via NVD·01:59 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2017-2423?

CVE-2017-2423 has been classified as a high severity vulnerability due to its potential impact on cryptographic API calls.

2

How do I fix CVE-2017-2423?

To fix CVE-2017-2423, update your affected Apple iOS to version 10.3 or later and macOS to version 10.12.4 or later.

3

What products are affected by CVE-2017-2423?

CVE-2017-2423 affects iOS versions prior to 10.3 and macOS versions prior to 10.12.4.

4

What type of issue is addressed in CVE-2017-2423?

CVE-2017-2423 addresses a validation issue in the cryptographic API calls of certain Apple products.

5

Can CVE-2017-2423 be exploited remotely?

CVE-2017-2423 may allow an attacker to execute arbitrary code on the affected devices if successfully exploited.

Contact

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