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 ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project ZeroIvan Fratric Google Project Zero product-security@apple.com product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iCloud for Windows | <7.7 | 7.7 |
| Apple iTunes for Windows | <12.9 | 12.9 |
| Apple Safari | <12 | 12 |
| Apple tvOS | <12 | 12 |
| Apple iOS | <12 | 12 |
| Apple Safari | <12 | |
| Apple iPhone OS | <12.0 | |
| Apple tvOS | <12 | |
| Apple iCloud | <7.7 | |
| Apple iTunes | <12.9 | |
| Microsoft Windows | ||
| All of | ||
| Any of | ||
| Apple iCloud | <7.7 | |
| Apple iTunes | <12.9 | |
| Microsoft Windows | ||
| 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 |
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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-2018-4126
- CVE-2018-4414
- CVE-2018-4412
- CVE-2018-4347
- CVE-2018-4191
- CVE-2018-4311
- CVE-2018-4316
- CVE-2018-4299
- CVE-2018-4323
- CVE-2018-4328
- CVE-2018-4358
- CVE-2018-4359
- CVE-2018-4360
- CVE-2018-4319
- CVE-2018-4309
- CVE-2018-4197
- CVE-2018-4306
- CVE-2018-4312
- CVE-2018-4314
- CVE-2018-4315
- CVE-2018-4317
- CVE-2018-4318
- CVE-2018-4345
- CVE-2018-4361
- CVE-2018-4474
- CVE-2018-4307
- CVE-2018-4329
- CVE-2018-4195
- CVE-2018-4321
- CVE-2018-5383
- 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-2018-4322
- 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.
- collector/apple-support
- alias/CVE-2018-4306
- alias/CVE-2018-4312
- alias/CVE-2018-4314
- alias/CVE-2018-4315
- alias/CVE-2018-4317
- alias/CVE-2018-4318
- alias/CVE-2018-4197
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/software-canonical-lookup-request
- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/author
- agent/description
- agent/event
- collector/nvd-index
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/tags
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- vendor/apple
- canonical/apple icloud for windows
- canonical/apple itunes for windows
- canonical/apple safari
- canonical/apple tvos
- canonical/apple ios
- canonical/apple iphone os
- canonical/apple icloud
- canonical/apple itunes
- vendor/microsoft
- canonical/microsoft windows
- package-manager/ubuntu
- package-manager/debian