Access bypass in libusbmuxd



| Updated: 2017-06-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-5104
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libimobiledevice
Universal components / Libraries / Libraries used by multiple products

libusbmuxd
Universal components / Libraries / Libraries used by multiple products

Vendor libimobiledevice

Security Bulletin

This security bulletin contains one low risk vulnerability.

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 libusbmuxd to version 1.0.10-2.
Update libimobiledevice to version 1.2.0-4.

Vulnerable software versions

libimobiledevice: 1.2.0-3

libusbmuxd: 1.0.10-1

CPE2.3 External links

https://github.com/libimobiledevice/libimobiledevice/commit/df1f5c4d70d0c19ad40072f5246ca457e7f9849e
https://github.com/libimobiledevice/libusbmuxd/commit/4397b3376dc4e4cb1c991d0aed61ce6482614196


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.



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