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CVE-2023-42917

8.8 · HIGHActively Exploited

A memory corruption vulnerability was addressed with improved locking.

Published Nov 30, 2023CWE-787EPSS 9.29%

Overview

CVE-2023-42917 is a high-severity vulnerability. It was published on November 30, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refseclists.org/fulldisclosure/2023/Dec/12Refseclists.org/fulldisclosure/2023/Dec/13Refseclists.org/fulldisclosure/2023/Dec/3Refseclists.org/fulldisclosure/2023/Dec/4Refseclists.org/fulldisclosure/2023/Dec/5Refseclists.org/fulldisclosure/2023/Dec/8Refseclists.org/fulldisclosure/2024/Jan/35Refwww.openwall.com/lists/oss-security/2023/12/05/1Reflists.fedoraproject.org/archives/list/[email protected]/message/AD2KIHHCUBQC2YYH3FJWAHI5BG3QETOH/Reflists.fedoraproject.org/archives/list/[email protected]/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-42917?

CVE-2023-42917 is a high-severity vulnerability. It was published on November 30, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2023-42917?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-42917?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-42917?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-42917 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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