Remote code execution in Apple Safari



Published: 2020-12-15
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-15969
CWE ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
Apple Safari
Client/Desktop applications / Web browsers

Vendor Apple Inc.

Security Advisory

This security advisory describes one high risk vulnerability.

1) Use-after-free

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-15969

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the usersctp library. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Apple Safari: 12.0, 12.0.1, 12.0.2, 12.0.3, 12.1.2, 13.0.2, 13.0.3, 13.1, 13.1.1, 13.6, 14.0, 14.0.1

CPE External links

https://support.apple.com/en-us/HT212007

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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