Improper input validation in WebKitGTK+ - CVE-2018-11646

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Main Vulnerability Database Vulnerabilities #VU14308

Improper input validation in WebKitGTK+ - CVE-2018-11646

Published: August 10, 2018 / Updated: June 17, 2021


Vulnerability identifier: #VU14308
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2018-11646
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: WebKitGTK
Affected software:
WebKitGTK+

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to mishandling of an unset pageURL in webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp. A remote attacker can send specially crafted input and cause the service to crash.


How to mitigate CVE-2018-11646

Update to version 2.21.4 or later.

Sources