Cross-site scripting in iCloud for Windows - CVE-2018-4345
Published: October 9, 2018
Vulnerability identifier: #VU15208
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2018-4345
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in WebKit component due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
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.
Affected software
iCloud for Windows
Fedora
webkit2gtk3
webkitgtk4
Fedora
webkit2gtk3
webkitgtk4
How to mitigate CVE-2018-4345
Update to version 7.7.
iCloud for Windows - update to 7.7
webkit2gtk3 - addressed in versions 2.22.3-1.fc28, 2.22.3-1.fc29
webkitgtk4 - update to 2.22.4-1.fc27
webkit2gtk3 - addressed in versions 2.22.3-1.fc28, 2.22.3-1.fc29
webkitgtk4 - update to 2.22.4-1.fc27