CVE-2019-8375
Severity CVSS v4.0:
Pending analysis
Type:
CWE-119
Buffer Errors
Publication date:
24/02/2019
Last modified:
09/05/2019
Description
The UIProcess subsystem in WebKit, as used in WebKitGTK through 2.23.90 and WebKitGTK+ through 2.22.6 and other products, does not prevent the script dialog size from exceeding the web view size, which allows remote attackers to cause a denial of service (Buffer Overflow) or possibly have unspecified other impact, related to UIProcess/API/gtk/WebKitScriptDialogGtk.cpp, UIProcess/API/gtk/WebKitScriptDialogImpl.cpp, and UIProcess/API/gtk/WebKitWebViewGtk.cpp, as demonstrated by GNOME Web (aka Epiphany).
Impact
Base Score 3.x
9.80
Severity 3.x
CRITICAL
Base Score 2.0
7.50
Severity 2.0
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:* | 2.23.90 (including) | |
| cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:* | 2.22.6 (including) | |
| cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00058.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00005.html
- https://bugs.webkit.org/show_bug.cgi?id=184875
- https://github.com/WebKit/webkit/commit/6f9b511a115311b13c06eb58038ddc2c78da5531
- https://trac.webkit.org/changeset/241515/webkit
- https://usn.ubuntu.com/3948-1/
- https://www.exploit-db.com/exploits/46465/
- https://www.inputzero.io/2019/02/fuzzing-webkit.html