CVE-2018-11713 Information

Description

WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit as used in WebKitGTK+ prior to version 2.20.0 or without libsoup 2.62.0 unexpectedly failed to use system proxy settings for WebSocket connections. As a result users could be deanonymized by crafted web sites via a WebSocket connection.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Reference

https://bugs.webkit.org/show_bug.cgi?id=126384 https://security.gentoo.org/glsa/201808-04 https://trac.webkit.org/changeset/228088/webkit

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5