CVE-2019-8523
First published: Mon Mar 25 2019(Updated: )
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.
Credit: dwfault ADLab of VenustechSamuel Groß Google Project ZeroApple G. Geshev Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroApple Apple found by OSS-Fuzz found by OSS-Fuzz dwfault ADLab of VenustechSamuel Groß Google Project ZeroApple G. Geshev Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroApple Apple found by OSS-Fuzz found by OSS-Fuzz dwfault ADLab of VenustechSamuel Groß Google Project ZeroApple G. Geshev Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroApple Apple found by OSS-Fuzz found by OSS-Fuzz dwfault ADLab of VenustechSamuel Groß Google Project ZeroApple G. Geshev Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroApple Apple dwfault ADLab of VenustechSamuel Groß Google Project ZeroApple G. Geshev Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroApple Apple product-security@apple.com product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple Safari | <12.1 | 12.1 |
| Apple iCloud for Windows | <7.11 | 7.11 |
| Apple iTunes for Windows | <12.9.4 | 12.9.4 |
| Apple tvOS | <12.2 | 12.2 |
| Apple iOS | <12.2 | 12.2 |
| ubuntu/webkit2gtk | <2.24.1-0ubuntu0.18.04.1 | 2.24.1-0ubuntu0.18.04.1 |
| ubuntu/webkit2gtk | <2.24.1-0ubuntu0.18.10.2 | 2.24.1-0ubuntu0.18.10.2 |
| ubuntu/webkit2gtk | <2.22.7 | 2.22.7 |
| Apple Icloud Windows | <7.11 | |
| Apple Itunes Windows | <12.9.4 | |
| Apple Safari | <12.1 | |
| Apple iPhone OS | <12.2 | |
| Apple tvOS | <12.2 | |
| debian/webkit2gtk | 2.44.2-1~deb11u1 2.44.3-1~deb11u1 2.44.2-1~deb12u1 2.44.3-1~deb12u1 2.44.3-1 2.44.4-1 |
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Reference Links
- https://support.apple.com/en-us/HT209603 (Advisory)
- https://support.apple.com/en-us/HT209605 (Advisory)
- https://support.apple.com/en-us/HT209604 (Advisory)
- https://support.apple.com/HT209599
- https://support.apple.com/HT209601
- https://support.apple.com/HT209603
- https://support.apple.com/HT209604
- https://support.apple.com/HT209605
- https://launchpad.net/bugs/cve/CVE-2019-8523
- https://support.apple.com/en-us/HT209601 (Advisory)
- https://support.apple.com/en-us/HT209599 (Advisory)
- https://webkitgtk.org/security/WSA-2019-0002.html
- https://security-tracker.debian.org/tracker/CVE-2019-8523
- https://ubuntu.com/security/notices/USN-3948-1
- https://www.cve.org/CVERecord?id=CVE-2019-8523
- https://nvd.nist.gov/vuln/detail/CVE-2019-8523
- https://ubuntu.com/security/CVE-2019-8523
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2019-6204
- CVE-2019-8505
- CVE-2019-8506
- CVE-2019-8535
- CVE-2019-6201
- CVE-2019-8518
- CVE-2019-8523
- CVE-2019-8524
- CVE-2019-8558
- CVE-2019-8559
- CVE-2019-8563
- CVE-2019-8638
- CVE-2019-8639
- CVE-2019-8536
- CVE-2019-8544
- CVE-2019-8515
- CVE-2019-7285
- CVE-2019-8556
- CVE-2019-8503
- CVE-2019-7292
- CVE-2019-8562
- CVE-2019-8551
- CVE-2019-8542
- CVE-2019-6232
- CVE-2019-6236
- CVE-2019-6203
- CVE-2019-8516
- CVE-2019-8552
- CVE-2019-8906
- CVE-2019-7286
- CVE-2019-8553
- CVE-2019-8545
- CVE-2019-5608
- CVE-2019-8547
- CVE-2019-8525
- CVE-2019-8527
- CVE-2019-8528
- CVE-2019-8540
- CVE-2019-8514
- CVE-2019-7293
- CVE-2019-6207
- CVE-2019-8510
- CVE-2019-8532
- CVE-2019-8549
- CVE-2019-8618
- CVE-2019-8531
- CVE-2019-8502
- CVE-2019-8517
- CVE-2019-8530
- CVE-2019-8538
- CVE-2019-8511
- CVE-2019-8512
- CVE-2019-8550
- CVE-2019-8565
- CVE-2019-8521
- CVE-2019-8504
- CVE-2019-8529
- CVE-2019-7284
- CVE-2019-8546
- CVE-2019-8541
- CVE-2019-8566
- CVE-2019-8554
- CVE-2019-6222
- CVE-2019-8567
Frequently Asked Questions
What is CVE-2019-8523?
CVE-2019-8523 is a vulnerability in WebKit that could allow arbitrary code execution.
How does CVE-2019-8523 impact iOS?
iOS versions up to and excluding 12.2 are affected by CVE-2019-8523, allowing potential arbitrary code execution.
Is Safari affected by CVE-2019-8523?
Yes, Safari versions up to and excluding 12.1 are affected by CVE-2019-8523, which could lead to arbitrary code execution.
What is the severity of CVE-2019-8523?
CVE-2019-8523 has a severity rating of 8.8 (critical).
How can I fix CVE-2019-8523?
To fix CVE-2019-8523, update your software to iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, or iCloud for Windows 7.11.
- collector/apple-support
- alias/CVE-2019-8518
- alias/CVE-2019-8523
- alias/CVE-2019-8524
- alias/CVE-2019-8558
- alias/CVE-2019-8559
- alias/CVE-2019-8563
- alias/CVE-2019-8638
- alias/CVE-2019-8639
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/software-canonical-lookup-request
- agent/severity
- agent/weakness
- agent/author
- agent/description
- agent/event
- collector/usn-cve
- source/Ubuntu
- agent/software-canonical-lookup
- agent/references
- collector/nvd-cve
- source/NVD
- collector/nvd-index
- agent/tags
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- vendor/apple
- canonical/apple safari
- canonical/apple icloud for windows
- canonical/apple itunes for windows
- canonical/apple tvos
- canonical/apple ios
- package-manager/ubuntu
- canonical/apple icloud windows
- canonical/apple itunes windows
- canonical/apple iphone os
- package-manager/debian