Subject: [ASA-201701-34] libimobiledevice: access restriction bypass

Arch Linux Security Advisory ASA-201701-34
==========================================

Severity: Medium
Date    : 2017-01-27
CVE-ID  : CVE-2016-5104
Package : libimobiledevice
Type    : access restriction bypass
Remote  : Yes
Link    : https://security.archlinux.org/AVG-8

Summary
=======

The package libimobiledevice before version 1.2.0-4 is vulnerable to
access restriction bypass.

Resolution
==========

Upgrade to 1.2.0-4.

# pacman -Syu "libimobiledevice>=1.2.0-4"

The problem has been fixed upstream but no release is available yet.

Workaround
==========

None.

Description
===========

The socket_create function in common/socket.c in libimobiledevice and
libusbmuxd allows remote attackers on the local network to bypass
intended access restrictions and communicate with services on affected
devices by connecting to an IPv4 TCP socket.

Impact
======

A remote attacker on the local network is able to bypass access
restrictions and communicate with services on connected iOS devices.

References
==========

http://www.openwall.com/lists/oss-security/2016/05/26/6
https://security.archlinux.org/CVE-2016-5104