Vulnerability Report

CVE-2019-8375

Title: Webkitgtk Webkitgtk\+ Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2019-8375

CWE Category CWE-119
Published Date Feb 24, 2019
Modified Date Nov 21, 2024
Exploit Status Available
Score 9.8 CVSS v3.0
Exploit Probability (EPSS)
15.98%

Vulnerability Summary

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).

Impacted Vendors

W
webkitgtk 2
W
webkit 1

Reference Links

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
CVSS v3.0
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-8375 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/46465
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.