Subject: [ASA-201706-5] libusbmuxd: access restriction bypass

Arch Linux Security Advisory ASA-201706-5
=========================================

Severity: Medium
Date    : 2017-06-05
CVE-ID  : CVE-2016-5104
Package : libusbmuxd
Type    : access restriction bypass
Remote  : Yes
Link    : https://security.archlinux.org/AVG-7

Summary
=======

The package libusbmuxd before version 1.0.10-2 is vulnerable to access
restriction bypass.

Resolution
==========

Upgrade to 1.0.10-2.

# pacman -Syu "libusbmuxd>=1.0.10-2"

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 is able to interact with a USB-connected device by
connecting to a IPv4 TCP socket.

References
==========

https://git.archlinux.org/svntogit/packages.git/tree/trunk/CVE-2016-5104.patch?h=packages/libusbmuxd&id=c83d2655d67eb78375b5c3173020b79c9751bb1d
https://github.com/libimobiledevice/libusbmuxd/commit/4397b3376dc4e4cb1c991d0aed61ce6482614196
http://www.openwall.com/lists/oss-security/2016/05/26/6
https://security.archlinux.org/CVE-2016-5104