Vulnerability identifier: #VU9592

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13903

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a remote user to perform SSRF attack.

The weakness exists due to unknown error. A remote attacker can perform SSRF attack to bypass network access controls, perform unauthorized connections to local resources, gain access to sensitive information and compromise vulnerable system.

Mitigation
Update to version 11.2.1.

Vulnerable software versions

Apple iOS: 11.2

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External links
http://support.apple.com/en-us/HT208357

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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.