Remote code execution in Apple Safari



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-4200
CVE-2018-4204
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Apple Safari
Client/Desktop applications / Web browsers

Vendor Apple Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Memory corruption

EUVDB-ID: #VU12145

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4200

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into loading a specially crafted web content, trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update to version 11.1.

Vulnerable software versions

Apple Safari: 11.0 - 11.0.3

CPE2.3 External links

https://support.apple.com/en-us/HT208741


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.

2) Memory corruption

EUVDB-ID: #VU12146

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4204

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into loading a specially crafted web content, trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update to version 11.1.

Vulnerable software versions

Apple Safari: 11.0 - 11.0.3

CPE2.3
External links

https://support.apple.com/en-us/HT208741


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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