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APPLE-SA-2015-05-19-1 Watch OS 1.0.1



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APPLE-SA-2015-05-19-1 Watch OS 1.0.1

Watch OS 1.0.1 is now available and addresses the following:

Certificate Trust Policy
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  Update to the certificate trust policy
Description:  The certificate trust policy was updated. The complete
list of certificates may be viewed at
https://support.apple.com/kb/204873

FontParser
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  Processing a maliciously crafted font file may lead to
arbitrary code execution
Description:  A memory corruption issue existed in the processing of
font files. This issue was addressed through improved bounds
checking.
CVE-ID
CVE-2015-1093 : Marc Schoenefeld

Foundation
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  An application using NSXMLParser may be misused to disclose
information
Description:  An XML External Entity issue existed in NSXMLParser's
handling of XML. This issue was addressed by not loading external
entities across origins.
CVE-ID
CVE-2015-1092 : Ikuya Fukumoto

IOHIDFamily
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A malicious application may be able to determine kernel
memory layout
Description:  An issue existed in IOHIDFamily that led to the
disclosure of kernel memory content. This issue was addressed through
improved bounds checking.
CVE-ID
CVE-2015-1096 : Ilja van Sprundel of IOActive

IOAcceleratorFamily
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A malicious application may be able to determine kernel
memory layout
Description:  An issue existed in IOAcceleratorFamily that led to the
disclosure of kernel memory content. This issue was addressed by
removing unneeded code.
CVE-ID
CVE-2015-1094 : Cererdlong of Alibaba Mobile Security Team

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A malicious application may be able to cause a system denial
of service
Description:  A race condition existed in the kernel's setreuid
system call. This issue was addressed through improved state
management.
CVE-ID
CVE-2015-1099 : Mark Mentovai of Google Inc.

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  An attacker with a privileged network position may be able
to redirect user traffic to arbitrary hosts
Description:  ICMP redirects were enabled by default. This issue was
addressed by disabling ICMP redirects.
CVE-ID
CVE-2015-1103 : Zimperium Mobile Security Labs

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A remote attacker may be able to cause a denial of service
Description:  A state inconsistency issue existed in the handling of
TCP out of band data. This issue was addressed through improved state
management.
CVE-ID
CVE-2015-1105 : Kenton Varda of Sandstorm.io

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A malicious application may escalate privileges using a
compromised service intended to run with reduced privileges
Description:  setreuid and setregid system calls failed to drop
privileges permanently. This issue was addressed by correctly
dropping privileges.
CVE-ID
CVE-2015-1117 : Mark Mentovai of Google Inc.

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A remote attacker may be able to bypass network filters
Description:  The system would treat some IPv6 packets from remote
network interfaces as local packets. The issue was addressed by
rejecting these packets.
CVE-ID
CVE-2015-1104 : Stephen Roettger of the Google Security Team

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  An attacker with a privileged network position may be able
to cause a denial of service
Description:  A state inconsistency existed in the processing of TCP
headers. This issue was addressed through improved state handling.
CVE-ID
CVE-2015-1102 : Andrey Khudyakov and Maxim Zhuravlev of Kaspersky Lab

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A malicious application may be able to cause unexpected
system termination or read kernel memory
Description:  An out of bounds memory access issue existed in the
kernel. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1100 : Maxime Villard of m00nbsd

Kernel
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  A malicious application may be able to execute arbitrary
code with system privileges
Description:  A memory corruption issue existed in the kernel. This
issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1101 : lokihardt@ASRT working with HP's Zero Day Initiative

Secure Transport
Available for:  Apple Watch Sport, Apple Watch,
and Apple Watch Edition
Impact:  An attacker with a privileged network position may intercept
SSL/TLS connections
Description:  Secure Transport accepted short ephemeral RSA keys,
usually used only in export-strength RSA cipher suites, on
connections using full-strength RSA cipher suites. This issue, also
known as FREAK, only affected connections to servers which support
export-strength RSA cipher suites, and was addressed by removing
support for ephemeral RSA keys.
CVE-ID
CVE-2015-1067 : Benjamin Beurdouche, Karthikeyan Bhargavan, Antoine
Delignat-Lavaud, Alfredo Pironti, and Jean Karim Zinzindohoue of
Prosecco at Inria Paris

Installation note:

Instructions on how to update your Apple Watch software are
available at https://support.apple.com/en-us/HT204641

To check the version on your Apple Watch, open the Apple Watch app
on your iPhone and select "My Watch > General > About".

Alternatively, on your watch, select "My Watch > General > About".


Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/

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