CVE-2018-4166: Race Condition
First published: Thu Mar 29 2018(Updated: )
An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "NSURLSession" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.
Credit: Samuel Groß @5aelo Samuel Groß @5aelo Samuel Groß @5aelo Samuel Groß @5aelo product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iPhone OS | <11.3 | |
| Apple Mac OS X | <10.13.4 | |
| Apple tvOS | <11.3 | |
| Apple watchOS | <4.3 | |
| Apple watchOS | <4.3 | 4.3 |
| Apple tvOS | <11.3 | 11.3 |
| Apple iOS | <11.3 | 11.3 |
| Apple macOS High Sierra | <10.13.4 | 10.13.4 |
| Apple Sierra | ||
| Apple El Capitan |
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Reference Links
- https://support.apple.com/en-us/HT208692 (Advisory)
- https://support.apple.com/en-us/HT208693 (Advisory)
- https://support.apple.com/en-us/HT208696 (Advisory)
- https://support.apple.com/en-us/HT208698 (Advisory)
- http://www.securitytracker.com/id/1040604
- http://www.securitytracker.com/id/1040608
- https://support.apple.com/HT208692
- https://support.apple.com/HT208693
- https://support.apple.com/HT208696
- https://support.apple.com/HT208698
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2018-4155
- CVE-2018-4158
- CVE-2018-4142
- CVE-2018-4167
- CVE-2018-4150
- CVE-2018-4104
- CVE-2018-4143
- CVE-2018-4185
- CVE-2017-15412
- CVE-2018-4390
- CVE-2018-4391
- CVE-2018-4166
- CVE-2018-4157
- CVE-2018-4144
- CVE-2018-4115
- CVE-2018-4113
- CVE-2018-4146
- CVE-2018-4114
- CVE-2018-4121
- CVE-2018-4122
- CVE-2018-4125
- CVE-2018-4129
- CVE-2018-4161
- CVE-2018-4162
- CVE-2018-4163
- CVE-2018-4117
- CVE-2018-4207
- CVE-2018-4208
- CVE-2018-4209
- CVE-2018-4210
- CVE-2018-4212
- CVE-2018-4213
- CVE-2018-4145
- CVE-2018-4170
- CVE-2018-4105
- CVE-2018-4112
- CVE-2017-13890
- CVE-2017-8816
- CVE-2018-4176
- CVE-2018-4108
- CVE-2017-13080
- CVE-2018-4151
- CVE-2018-4132
- CVE-2018-4135
- CVE-2018-4136
- CVE-2018-4160
- CVE-2018-4139
- CVE-2018-4175
- CVE-2018-4187
- CVE-2018-4179
- CVE-2018-4111
- CVE-2018-4174
- CVE-2018-4152
- CVE-2017-7151
- CVE-2018-4138
- CVE-2018-4107
- CVE-2018-4156
- CVE-2018-4298
- CVE-2017-13911
- CVE-2018-4173
- CVE-2018-4154
- CVE-2018-4106
- CVE-2018-4131
- CVE-2018-4101
- CVE-2018-4118
- CVE-2018-4119
- CVE-2018-4120
- CVE-2018-4127
- CVE-2018-4128
- CVE-2018-4130
- CVE-2018-4165
- CVE-2018-4177
- CVE-2018-4123
- CVE-2018-4168
- CVE-2018-4172
- CVE-2018-4134
- CVE-2018-4137
- CVE-2018-4149
- CVE-2018-4140
- CVE-2018-4148
- CVE-2018-4110
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2018-4166.
Which Apple products are affected by CVE-2018-4166?
iOS before 11.3, macOS before 10.13.4, tvOS before 11.3, and watchOS before 4.3 are affected.
What is the severity of CVE-2018-4166?
The severity of CVE-2018-4166 is high.
How can an attacker exploit CVE-2018-4166?
An attacker can exploit CVE-2018-4166 by leveraging a race condition to execute arbitrary code in a privileged context.
How can I fix CVE-2018-4166?
To fix CVE-2018-4166, update to the latest available version of iOS, macOS, tvOS, or watchOS depending on the affected product.
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- collector/apple-support
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- agent/trending
- vendor/apple
- canonical/apple watchos
- canonical/apple macos high sierra
- canonical/apple sierra
- canonical/apple el capitan
- canonical/apple iphone os
- canonical/apple mac os x
- canonical/apple tvos
- canonical/apple ios