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AUSCERT External Security Bulletin Redistribution
ESB-2019.3647
Xcode 11.0
27 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Xcode
Publisher: Apple
Operating System: Mac OS
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-8739 CVE-2019-8738 CVE-2019-8724
CVE-2019-8723 CVE-2019-8722 CVE-2019-8721
CVE-2019-3855
Reference: ESB-2019.2638
ESB-2019.0894
Original Bulletin:
https://support.apple.com/en-au/HT210609
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APPLE-SA-2019-9-26-7 Xcode 11.0
Xcode 11.0 addresses the following:
IDE SCM
Available for: macOS Mojave 10.14.4 and later
Impact: Multiple issues in libssh2
Description: Multiple issues were addressed by updating to version
2.16.
CVE-2019-3855: Chris Coulson
ld64
Available for: macOS Mojave 10.14.4 and later
Impact: Compiling code without proper input validation could lead to
arbitrary code execution with user privilege
Description: Multiple issues in ld64 in the Xcode toolchains were
addressed by updating to version ld64-507.4.
CVE-2019-8721: Pan ZhenPeng of Qihoo 360 Nirvan Team
CVE-2019-8722: Pan ZhenPeng of Qihoo 360 Nirvan Team
CVE-2019-8723: Pan ZhenPeng of Qihoo 360 Nirvan Team
CVE-2019-8724: Pan ZhenPeng of Qihoo 360 Nirvan Team
otool
Available for: macOS Mojave 10.14.4 and later
Impact: Processing a maliciously crafted file may lead to arbitrary
code execution
Description: A memory corruption issue was addressed with improved
state management.
CVE-2019-8738: Pan ZhenPeng (@Peterpan0927) of Qihoo 360 Nirvan Team
CVE-2019-8739: Pan ZhenPeng (@Peterpan0927) of Qihoo 360 Nirvan Team
Installation note:
Xcode 11.0 may be obtained from:
https://developer.apple.com/xcode/downloads/
To check that the Xcode has been updated:
* Select Xcode in the menu bar
* Select About Xcode
* The version after applying this update will be "11.0".
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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
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On call after hours for member emergencies only.
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