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About the security content of tvOS 9.2.2 - Apple Support

Description

## About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the [Apple security updates](<https://support.apple.com/kb/HT201222>) page. For more information about security, see the [Apple Product Security](<https://www.apple.com/support/security/>) page. You can encrypt communications with Apple using the [Apple Product Security PGP Key](<https://support.apple.com/kb/HT201601>). Apple security documents reference vulnerabilities by [CVE-ID](<http://cve.mitre.org/about/>) when possible. ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## tvOS 9.2.2 Released July 18, 2016 **CFNetwork Credentials** Available for: Apple TV (4th generation) Impact: An attacker in a privileged network position may be able to leak sensitive user information Description: A downgrade issue existed with HTTP authentication credentials saved in Keychain. This issue was addressed by storing the authentication types with the credentials. CVE-2016-4644 : Jerry Decime coordinated via CERT **CFNetwork Proxies** Available for: Apple TV (4th generation) Impact: An attacker in a privileged network position may be able to leak sensitive user information Description: A validation issue existed in the parsing of 407 responses. This issue was addressed through improved response validation. CVE-2016-4643 : Xiaofeng Zheng of Blue Lotus Team, Tsinghua University; Jerry Decime coordinated via CERT **CFNetwork Proxies** Available for: Apple TV (4th generation) Impact: An application may unknowingly send a password unencrypted over the network Description: Proxy authentication incorrectly reported HTTP proxies received credentials securely. This issue was addressed through improved warnings. CVE-2016-4642 : Jerry Decime coordinated via CERT **CoreGraphics** Available for: Apple TV (4th generation) Impact: A remote attacker may be able to execute arbitrary code Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-4637 : Tyler Bohan of Cisco Talos (talosintel.com/vulnerability-reports) **ImageIO** Available for: Apple TV (4th generation) Impact: A remote attacker may be able to cause a denial of service Description: A memory consumption issue was addressed through improved memory handling. CVE-2016-4632 : Evgeny Sidorov of Yandex **ImageIO** Available for: Apple TV (4th generation) Impact: A remote attacker may be able to execute arbitrary code Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4631 : Tyler Bohan of Cisco Talos (talosintel.com/vulnerability-reports) **ImageIO** Available for: Apple TV (4th generation) Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-7705: Craig Young of Tripwire VERT Entry added November 30, 2017 **IOAcceleratorFamily** Available for: Apple TV (4th generation) Impact: A local user may be able to execute arbitrary code with kernel privileges Description: A null pointer dereference was addressed through improved validation. CVE-2016-4627 : Ju Zhu of Trend Micro **IOHIDFamily** Available for: Apple TV (4th generation) Impact: A local user may be able to execute arbitrary code with kernel privileges Description: A null pointer dereference was addressed through improved input validation. CVE-2016-4626 : Stefan Esser of SektionEins **Kernel** Available for: Apple TV (4th generation) Impact: A local user may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-1863 : Ian Beer of Google Project Zero CVE-2016-4653 : Ju Zhu of Trend Micro CVE-2016-4582 : Shrek_wzw and Proteas of Qihoo 360 Nirvan Team **Kernel** Available for: Apple TV (4th generation) Impact: A local user may be able to cause a system denial of service Description: A null pointer dereference was addressed through improved input validation. CVE-2016-1865 : CESG, Marco Grassi (@marcograss) of KeenLab(@keen_lab), Tencent **libxml2** Available for: Apple TV (4th generation) Impact: Parsing a maliciously crafted XML document may lead to disclosure of user information Description: An access issue existed in the parsing of maliciously crafted XML files. This issue was addressed through improved input validation. CVE-2016-4449 : Kostya Serebryany **libxml2** Available for: Apple TV (4th generation) Impact: Multiple vulnerabilities in libxml2 Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2015-8317 : Hanno Boeck CVE-2016-1836 : Wei Lei and Liu Yang of Nanyang Technological University CVE-2016-4447 : Wei Lei and Liu Yang of Nanyang Technological University CVE-2016-4448 : Apple CVE-2016-4483 : Gustavo Grieco CVE-2016-4614 : Nick Wellnhofer CVE-2016-4615 : Nick Wellnhofer CVE-2016-4616 : Michael Paddon Entry updated June 5, 2017 **libxslt** Available for: Apple TV (4th generation) Impact: Multiple vulnerabilities in libxslt Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-1683 : Nicolas Grégoire CVE-2016-1684 : Nicolas Grégoire CVE-2016-4607 : Nick Wellnhofer CVE-2016-4608 : Nicolas Grégoire CVE-2016-4609 : Nick Wellnhofer CVE-2016-4610 : Nick Wellnhofer Entry updated April 11, 2017 **Sandbox Profiles** Available for: Apple TV (4th generation) Impact: A local application may be able to access the process list Description: An access issue existed with privileged API calls. This issue was addressed through additional restrictions. CVE-2016-4594 : Stefan Esser of SektionEins **WebKit** Available for: Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4586 : Apple CVE-2016-4588 : Apple CVE-2016-4589 : Tongbo Luo and Bo Qu of Palo Alto Networks CVE-2016-4622 : Samuel Gross working with Trend Micro’s Zero Day Initiative CVE-2016-4623 : Apple CVE-2016-4624 : Apple **WebKit** Available for: Apple TV (4th generation) Impact: Processing maliciously crafted web content may disclose image data from another website Description: A timing issue existed in the processing of SVG. This issue was addressed through improved validation. CVE-2016-4583 : Roeland Krak **WebKit** Available for: Apple TV (4th generation) Impact: Processing maliciously crafted web content may result in the disclosure of process memory Description: A memory initialization issue was addressed through improved memory handling. CVE-2016-4587 : Apple **WebKit** Available for: Apple TV (4th generation) Impact: Visiting a maliciously crafted website may leak sensitive data Description: A permissions issue existed in the handling of the location variable. This was addressed though additional ownership checks. CVE-2016-4591 : ma.la of LINE Corporation **WebKit** Available for: Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to a system denial of service Description: A memory consumption issue was addressed through improved memory handling. CVE-2016-4592 : Mikhail **WebKit Page Loading** Available for: Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4584 : Chris Vienneau **WebKit Page Loading** Available for: Apple TV (4th generation) Impact: A malicious website may exfiltrate data cross-origin Description: A cross-site scripting issue existed in Safari URL redirection. This issue was addressed through improved URL validation on redirection. CVE-2016-4585 : Takeshi Terada of Mitsui Bussan Secure Directions, Inc. (www.mbsd.jp)


Affected Software


CPE Name Name Version
tvos 9.2.2

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