A cross-protocol cross-site scripting flaw in Apple Safari in Apple Safari
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-4651 |
| CWE-ID | CWE-79 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Apple Safari Client/Desktop applications / Web browsers Apple iOS Operating systems & Components / Operating system |
| Vendor | Apple Inc. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) A cross-protocol cross-site scripting flaw in Apple Safari
EUVDB-ID: #VU169
Risk: High
CVSSv3.1: 6.2 [AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-4651
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to a cross-protocol cross-site scripting flaw in the submission of forms to non-HTTP services that are compatible with HTTP/0.9. A remote user can cause arbitrary scripting code execution by the target user's browser in the context of the target site.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
The vendor has issued a fix (9.1.2).
Vulnerable software versionsApple Safari: 9.1 - 9.1.1
Apple iOS: 9.3.0 - 9.3.2
External linkshttp://support.apple.com/en-us/HT206900
http://support.apple.com/cs-cz/HT206902
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.
