CVE-2017-13855: Incorrect Type Cast

Reference Links

• https://support.apple.com/en-us/HT208325 (Advisory)
• https://support.apple.com/en-us/HT208327 (Advisory)
• https://support.apple.com/en-us/HT208331 (Advisory)
• https://support.apple.com/en-us/HT208334 (Advisory)
• http://www.securityfocus.com/bid/102100
• http://www.securitytracker.com/id/1039952
• http://www.securitytracker.com/id/1039953
• http://www.securitytracker.com/id/1039966
• https://support.apple.com/HT208325
• https://support.apple.com/HT208327
• https://support.apple.com/HT208331
• https://support.apple.com/HT208334
• https://www.exploit-db.com/exploits/43318/

Parent vulnerabilities

(Appears in the following advisories)

• HT208325
• HT208331
• HT208327
• HT208334

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2017-13905
• CVE-2017-7172
• CVE-2017-7171
• CVE-2017-7151
• CVE-2017-7162
• CVE-2017-13861
• CVE-2017-13904
• CVE-2017-7154
• 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-2017-13880
• CVE-2017-7165
• CVE-2017-13884
• CVE-2017-7153
• CVE-2017-13080
• CVE-2017-5754
• 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-2017-7164
• CVE-2017-13885
• CVE-2017-7156
• CVE-2017-7157
• CVE-2017-13856
• CVE-2017-13870
• CVE-2017-7160
• CVE-2017-13866
• 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)