CVE-2018-4323: Buffer Overflow
First published: Wed Sep 12 2018(Updated: )
Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Credit: Samuel Groβ (saelo) Trend Micro's Zero Day InitiativeIvan Fratric Google Project Zeroteam (@bkth_ @5aelo @_niklasb) @phoenhex Trend Micro's Zero Day InitiativeSamuel Groß @5aelo William Bowling @wcbowling Samuel Groβ (saelo) Trend Microteam (@bkth_ @5aelo @_niklasb) @phoenhex Trend Micro 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 iCloud | <7.7 | 7.7 |
| iTunes | <12.9 | 12.9 |
| Safari | <12 | 12 |
| Apple iOS and iPadOS | <12 | 12 |
| Safari | <12 | |
| iPhone OS | <12.0 | |
| tvOS | <12 | |
| All of | ||
| Any of | ||
| iCloud | <7.7 | |
| iTunes | <12.9 | |
| Microsoft Windows | ||
| iCloud | <7.7 | |
| iTunes | <12.9 | |
| Microsoft Windows |
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Reference Links
- https://support.apple.com/en-us/HT209140 (Advisory)
- https://support.apple.com/en-us/HT209141 (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-2018-4323
- 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-2018-4323
- 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-2018-4323
- https://nvd.nist.gov/vuln/detail/CVE-2018-4323
- https://ubuntu.com/security/CVE-2018-4323
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-2018-4311
- CVE-2018-4319
- CVE-2018-4307
- CVE-2018-4329
- CVE-2018-4195
- 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 the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-4323.
What is the severity of CVE-2018-4323?
The severity of CVE-2018-4323 is high.
Which software and versions are affected by CVE-2018-4323?
Versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7 are affected by CVE-2018-4323.
How can I fix CVE-2018-4323?
To fix CVE-2018-4323, update to iOS 12 or later, tvOS 12 or later, Safari 12 or later, iTunes 12.9 or later for Windows, iCloud for Windows 7.7 or later.
Where can I find more information about CVE-2018-4323?
You can find more information about CVE-2018-4323 in the following references: [link1](https://support.apple.com/kb/HT209106), [link2](https://support.apple.com/kb/HT209107), [link3](https://support.apple.com/kb/HT209109).
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/first-publish-date
- agent/severity
- agent/weakness
- agent/description
- collector/usn-cve
- source/Ubuntu
- agent/software-canonical-lookup
- agent/references
- collector/security-tracker-debian
- source/Debian
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/trending
- agent/source
- collector/apple-support
- alias/CVE-2018-4323
- alias/CVE-2018-4328
- alias/CVE-2018-4358
- alias/CVE-2018-4359
- alias/CVE-2018-4360
- agent/software-canonical-lookup-request
- 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 icloud
- canonical/itunes
- canonical/safari
- canonical/apple ios and ipados
- canonical/iphone os
- canonical/icloud
- vendor/microsoft
- canonical/microsoft windows