Ubuntu update for libimobiledevice

1) Access bypass

EUVDB-ID: #VU6951

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-5104

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to an error in the socket_create function in common/socket.c in libimobiledevice and libusbmuxd. A remote attacker can connect to an IPv4 TCP socket, bypass intended access restrictions and communicate with services on iOS devices.

Successful exploitation of the vulnerability results in security bypass.

Mitigation

Update the affected packages

Ubuntu 16.04 LTS:

libimobiledevice6 1.2.0+dfsg-3~ubuntu0.2

Ubuntu 15.10:

libimobiledevice4 1.1.6+dfsg-3.1ubuntu0.1

Ubuntu 14.04 LTS:

libimobiledevice4 1.1.5+git20140313.bafe6a9e-0ubuntu1.1

Vulnerable software versions

Ubuntu: 14.04 - 16.04

CPE2.3

• cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*

External links

https://www.ubuntu.com/usn/usn-3026-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.