CVE-2017-13855: Incorrect Type Cast
An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "Kernel" component. It allows attackers to bypass intended memory-read restrictions via a crafted app that triggers type confusion.
Other sources
Kernel. A type confusion issue was addressed with improved memory handling.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-7164
- CVE-2017-13905
- CVE-2017-7172
- CVE-2017-7171
- CVE-2017-7151
- CVE-2017-7162
- CVE-2017-13861
- CVE-2017-13904
- CVE-2017-5754
- CVE-2017-13862
- CVE-2017-13867
- CVE-2017-13876
- CVE-2017-7173
- CVE-2017-13855
- CVE-2017-13865
- CVE-2017-13868
- CVE-2017-13869
- CVE-2017-7154
- CVE-2017-13885
- CVE-2017-7165
- CVE-2017-13884
- CVE-2017-7153
- CVE-2017-7156
- CVE-2017-7157
- CVE-2017-13856
- CVE-2017-13870
- CVE-2017-7160
- CVE-2017-13866
- CVE-2017-13080
- CVE-2017-13887
- CVE-2017-9798
- CVE-2017-13892
- CVE-2017-1000254
- CVE-2017-13872
- CVE-2017-15422
- CVE-2017-13883
- CVE-2017-7163
- CVE-2017-7155
- CVE-2017-13878
- CVE-2017-13875
- CVE-2017-7159
- CVE-2017-13848
- CVE-2017-13858
- CVE-2017-13847
- CVE-2017-13871
- CVE-2017-13860
- CVE-2017-3735
- CVE-2017-12837
- CVE-2017-7158
- CVE-2017-13911
- CVE-2017-13886
- CVE-2017-13880
- CVE-2017-2411
- CVE-2017-13879
- CVE-2017-13874
- CVE-2017-7152
- CVE-2017-13888
- CVE-2017-13891
Frequently Asked Questions
What is CVE-2017-13855?
CVE-2017-13855 is a type confusion vulnerability in certain Apple products.
Which Apple products are affected by CVE-2017-13855?
iOS before 11.2, macOS before 10.13.2, tvOS before 11.2, and watchOS before 4.2 are affected by CVE-2017-13855.
How severe is CVE-2017-13855?
CVE-2017-13855 has a severity rating of 5.5 out of 10.
How can I fix CVE-2017-13855?
To fix CVE-2017-13855, update your Apple device to the latest supported version of iOS, macOS, tvOS, or watchOS.
Where can I find more information about CVE-2017-13855?
You can find more information about CVE-2017-13855 on the following security websites: [1](http://www.securityfocus.com/bid/102100), [2](http://www.securitytracker.com/id/1039952), [3](http://www.securitytracker.com/id/1039953)