Multiple vulnerabilities in Apple iCloud

Published: 2018-01-25

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-4088 CVE-2018-4096
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	iCloud for Windows Client/Desktop applications / Other client software
Vendor	Apple Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Memory corruption

EUVDB-ID: #VU10201

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-2018-4088

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 processing maliciously crafted web content. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update to version 7.3.

Vulnerable software versions

iCloud for Windows: 6.0.0 - 7.2

CPE2.3

External links

https://support.apple.com/en-us/HT208473

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.

2) Memory corruption

EUVDB-ID: #VU10203