CVE-2018-4309: XSS
First published: Wed Sep 12 2018(Updated: )
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Credit: an anonymous researcher Trend Micro's Zero Day Initiativean anonymous researcher 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 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-2018-4309
- 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-2018-4309
- 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-2018-4309
- https://nvd.nist.gov/vuln/detail/CVE-2018-4309
- https://ubuntu.com/security/CVE-2018-4309
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-2018-4309?
CVE-2018-4309 is a cross-site scripting issue that existed in Safari.
Which versions of Safari are affected by CVE-2018-4309?
Versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7 are affected.
How was CVE-2018-4309 addressed?
CVE-2018-4309 was addressed with improved URL validation.
What is the severity of CVE-2018-4309?
The severity of CVE-2018-4309 is medium with a CVSS score of 6.1.
How can I fix CVE-2018-4309?
To fix CVE-2018-4309, you should update to the latest version of Safari, iOS, tvOS, iTunes for Windows, or iCloud for Windows.
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