Vulnerability Monitor

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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 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).

Published

2019-02-24T13:29:00.357

Last Modified

2024-11-21T04:49:46.547

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	webkitgtk	webkitgtk	≤ 2.23.90	Yes
Application	webkitgtk	webkitgtk\+	≤ 2.22.6	Yes
Operating System	opensuse	leap	15.0	Yes
Operating System	opensuse	leap	42.3	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	18.10	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00058.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00005.html Mailing List, Third Party Advisory ([email protected])
https://bugs.webkit.org/show_bug.cgi?id=184875 Issue Tracking, Permissions Required, Third Party Advisory ([email protected])
https://github.com/WebKit/webkit/commit/6f9b511a115311b13c06eb58038ddc2c78da5531 Patch, Third Party Advisory ([email protected])
https://trac.webkit.org/changeset/241515/webkit Patch, Vendor Advisory ([email protected])
https://usn.ubuntu.com/3948-1/ Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/46465/ Exploit, Third Party Advisory, VDB Entry ([email protected])
https://www.inputzero.io/2019/02/fuzzing-webkit.html Exploit, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00058.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.webkit.org/show_bug.cgi?id=184875 Issue Tracking, Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/WebKit/webkit/commit/6f9b511a115311b13c06eb58038ddc2c78da5531 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://trac.webkit.org/changeset/241515/webkit Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3948-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/46465/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.inputzero.io/2019/02/fuzzing-webkit.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)