high
8.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4373: Buffer Overflow

First published: Tue Oct 30 2018(Updated: )

WebKit. Multiple memory corruption issues were addressed with improved memory handling.

Credit: HyungSeok Han DongHyeon Oh Sang Kil Cha KAIST Softsec LabKorea ngg alippai DirtYiCE KT Tresorit working with Trend MicroYu Haiwan Wu Hongjun Nanyang Technological University working with Trend Micro010 Trend Microlokihardt Google Project Zerolokihardt Google Project Zerozhunki 360 ESG Codesafe Teamlokihardt Google Project ZeroHyungSeok Han DongHyeon Oh Sang Kil Cha KAIST Softsec LabKorea ngg alippai DirtYiCE KT Tresorit working with Trend MicroYu Haiwan Wu Hongjun Nanyang Technological University working with Trend Micro010 Trend Microlokihardt Google Project Zerolokihardt Google Project Zerozhunki 360 ESG Codesafe Teamlokihardt Google Project ZeroHyungSeok Han DongHyeon Oh Sang Kil Cha KAIST Softsec LabKorea ngg alippai DirtYiCE KT Tresorit working with Trend MicroYu Haiwan Wu Hongjun Nanyang Technological University working with Trend Micro010 Trend Microlokihardt Google Project Zerolokihardt Google Project Zerozhunki 360 ESG Codesafe Teamlokihardt Google Project ZeroHyungSeok Han DongHyeon Oh Sang Kil Cha KAIST Softsec LabKorea ngg alippai DirtYiCE KT Tresorit working with Trend MicroYu Haiwan Wu Hongjun Nanyang Technological University working with Trend Micro010 Trend Microlokihardt Google Project Zerolokihardt Google Project Zerozhunki 360 ESG Codesafe Teamlokihardt Google Project ZeroHyungSeok Han DongHyeon Oh Sang Kil Cha KAIST Softsec LabKorea ngg alippai DirtYiCE KT Tresorit working with Trend MicroYu Haiwan Wu Hongjun Nanyang Technological University working with Trend Micro010 Trend Microlokihardt Google Project Zerolokihardt Google Project Zerozhunki 360 ESG Codesafe Teamlokihardt Google Project Zero product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iCloud for Windows<7.8
7.8
Apple iTunes for Windows<12.9.1
12.9.1
Apple Safari<12.0.1
12.0.1
Apple watchOS<5.1
5.1
Apple iOS<12.1
12.1
Apple Safari<12.0.1
Apple iPhone OS<12.1
Apple watchOS<5.1
Apple iCloud<7.8
Apple iTunes<12.9.1
Microsoft Windows

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4373?

    CVE-2018-4373 is a vulnerability in WebKit that involves multiple memory corruption issues.

  • Which software versions are affected by CVE-2018-4373?

    Versions prior to iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, and iCloud for Windows 7.8 are affected.

  • How severe is CVE-2018-4373?

    CVE-2018-4373 has a severity rating of 8.8, which is considered high.

  • How can I fix CVE-2018-4373?

    To fix CVE-2018-4373, update to iOS 12.1 or later, watchOS 5.1 or later, Safari 12.0.1 or later, iTunes 12.9.1 or later, or iCloud for Windows 7.8 or later.

  • Where can I find more information about CVE-2018-4373?

    You can find more information about CVE-2018-4373 on the Apple support page: [LINK]

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