CVE-2018-4315: Use After Free
First published: Wed Sep 12 2018(Updated: )
A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Credit: Ivan Fratric Google Project Zero product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/webkit2gtk | <2.22.2-0ubuntu0.18.04.1 | 2.22.2-0ubuntu0.18.04.1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.2-1ubuntu1 | 2.22.2-1ubuntu1 |
| ubuntu/webkit2gtk | <2.22.0 | 2.22.0 |
| debian/webkit2gtk | 2.44.2-1~deb11u1 2.44.2-1~deb12u1 2.44.2-1 | |
| tvOS | <12 | 12 |
| Apple Mobile Safari | <12 | 12 |
| Apple iOS, iPadOS, and watchOS | <12 | 12 |
| Apple iCloud | <7.7 | 7.7 |
| Apple iTunes | <12.9 | 12.9 |
| Apple Mobile Safari | <12 | |
| iStyle @cosme iPhone OS | <12.0 | |
| tvOS | <12 | |
| All of | ||
| Any of | ||
| Apple iCloud for Windows | <7.7 | |
| Apple iTunes for Windows | <12.9 | |
| Microsoft Windows | ||
| Apple iCloud for Windows | <7.7 | |
| Apple iTunes for Windows | <12.9 | |
| Microsoft Windows |
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Reference Links
- https://support.apple.com/en-us/HT209141 (Advisory)
- https://support.apple.com/en-us/HT209140 (Advisory)
- https://support.apple.com/en-us/HT209109 (Advisory)
- https://support.apple.com/kb/HT209106
- https://support.apple.com/kb/HT209107
- https://support.apple.com/kb/HT209109
- https://support.apple.com/kb/HT209140
- https://support.apple.com/kb/HT209141
- https://launchpad.net/bugs/cve/CVE-2018-4315
- https://support.apple.com/en-us/HT209107 (Advisory)
- https://support.apple.com/en-us/HT209106 (Advisory)
- https://webkitgtk.org/security/WSA-2018-0007.html
- https://security-tracker.debian.org/tracker/CVE-2018-4315
- https://www.openwall.com/lists/oss-security/2018/09/29/1
- https://ubuntu.com/security/notices/USN-3781-1
- https://www.cve.org/CVERecord?id=CVE-2018-4315
- https://nvd.nist.gov/vuln/detail/CVE-2018-4315
- https://ubuntu.com/security/CVE-2018-4315
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2018-4321
- CVE-2018-5383
- CVE-2018-4126
- CVE-2018-4412
- CVE-2018-4414
- CVE-2018-4347
- CVE-2018-4433
- CVE-2018-4426
- CVE-2018-4331
- CVE-2018-4332
- CVE-2018-4343
- CVE-2018-4408
- CVE-2018-4341
- CVE-2018-4354
- CVE-2018-4383
- CVE-2018-4401
- CVE-2018-4305
- CVE-2018-4399
- CVE-2018-4407
- CVE-2018-4363
- CVE-2018-4336
- CVE-2018-4337
- CVE-2018-4340
- CVE-2018-4344
- CVE-2018-4425
- CVE-2018-4313
- CVE-2016-1777
- CVE-2018-4395
- CVE-2018-4203
- CVE-2018-4304
- CVE-2018-4316
- CVE-2018-4345
- CVE-2018-4191
- CVE-2018-4299
- CVE-2018-4359
- CVE-2018-4323
- CVE-2018-4358
- CVE-2018-4328
- CVE-2018-4197
- CVE-2018-4318
- CVE-2018-4306
- CVE-2018-4312
- CVE-2018-4314
- CVE-2018-4315
- CVE-2018-4317
- CVE-2018-4309
- CVE-2018-4361
- CVE-2018-4474
- CVE-2018-4360
- CVE-2018-4307
- CVE-2018-4329
- CVE-2018-4195
- CVE-2018-4319
- CVE-2018-4311
- CVE-2018-4322
- CVE-2018-4356
- CVE-2018-4333
- CVE-2018-4355
- CVE-2018-4335
- CVE-2018-4326
- CVE-2018-4310
- CVE-2018-4352
- CVE-2018-4362
- CVE-2018-4325
Frequently Asked Questions
What is CVE-2018-4315?
CVE-2018-4315 is a vulnerability in WebKit that allows for a use after free issue.
Which software versions are affected by CVE-2018-4315?
Versions of iOS prior to 12, tvOS prior to 12, Safari prior to 12, iTunes prior to 12.9 for Windows, and iCloud for Windows 7.7 are affected by CVE-2018-4315.
How can I fix CVE-2018-4315?
To fix CVE-2018-4315, update to iOS 12 or later, tvOS 12 or later, Safari 12 or later, iTunes 12.9 for Windows or later, and iCloud for Windows 7.7 or later.
What is the severity of CVE-2018-4315?
CVE-2018-4315 has a severity rating of 8.8 (high).
Where can I find more information about CVE-2018-4315?
You can find more information about CVE-2018-4315 on the Apple support website.
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/weakness
- agent/description
- collector/usn-cve
- source/Ubuntu
- agent/software-canonical-lookup
- agent/references
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/trending
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- alias/CVE-2018-4318
- alias/CVE-2018-4306
- alias/CVE-2018-4312
- alias/CVE-2018-4314
- alias/CVE-2018-4315
- alias/CVE-2018-4317
- agent/software-canonical-lookup-request
- alias/CVE-2018-4197
- agent/author
- agent/softwarecombine
- agent/tags
- collector/nvd-cve
- source/NVD
- collector/nvd-index
- package-manager/ubuntu
- package-manager/debian
- vendor/apple
- canonical/tvos
- canonical/apple mobile safari
- canonical/apple ios, ipados, and watchos
- canonical/apple icloud
- canonical/apple itunes
- canonical/istyle @cosme iphone os
- canonical/apple icloud for windows
- canonical/apple itunes for windows
- vendor/microsoft
- canonical/microsoft windows