Access bypass in Apple Safari



| Updated: 2017-01-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-4760
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Apple Safari
Client/Desktop applications / Web browsers

iTunes
Client/Desktop applications / Multimedia software

Apple iOS
Operating systems & Components / Operating system

Vendor Apple Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Access bypass

EUVDB-ID: #VU599

Risk: Low

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

CVE-ID: CVE-2016-4760

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote web-site to obtain non-HTTP services on the target system.
The weakness exists due to improper checking of HTTP responses. A malicious web-site returns specially crafted HTTP/0.9 responses that allows to get non-HTTP services.
Successful exploitation of the vulnerability results in access to non-HTTP services on the vulnerable system.

Mitigation

Update to 10.0.

Vulnerable software versions

Apple Safari: 9.0 - 9.1.3

iTunes: 12.0.1.26 - 12.4.3.1

Apple iOS: 9.0.0 - 9.3.5

CPE2.3 External links

https://support.apple.com/en-us/HT207157
https://support.apple.com/en-us/HT207158
https://support.apple.com/en-us/HT207157
https://support.apple.com/cs-cz/HT207143


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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



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