CVE-2019-8375
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 si…
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- WebKitGTK 2.23.90 / WebKitGTK+ 2.22.6 - Denial of Service2019-02-28 · dos · linux
Impact
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).
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Webkitgtk | Webkitgtk | through 2.23.90 |
| Webkitgtk | Webkitgtk\+ | through 2.22.6 |
| Opensuse | Leap | Versions 15.0, 42.3 |
| Canonical | Ubuntu Linux | Versions 18.04, 18.10 |
Weakness classification
References
- NVD record
- CVE.org record
- 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
- 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