HOMEVULNERABILITIESCVE-2018-11713
MEDIUM

CVE-2018-11713

NVD-CWE-noinfoPublished: June 4, 2018· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-11713 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Vendors & Products

gnome1 product(s)
libsoup
webkitgtk1 product(s)
webkitgtk\+
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

PATCHhttps://bugs.webkit.org/show_bug.cgi?id=126384
PATCHhttps://trac.webkit.org/changeset/228088/webkit
PATCHhttps://bugs.webkit.org/show_bug.cgi?id=126384
PATCHhttps://trac.webkit.org/changeset/228088/webkit

All References (6)

→
https://bugs.webkit.org/show_bug.cgi?id=126384Issue Tracking · Patch · Third Party Advisory
→
https://security.gentoo.org/glsa/201808-04
→
https://trac.webkit.org/changeset/228088/webkitIssue Tracking · Patch · Third Party Advisory
→
https://bugs.webkit.org/show_bug.cgi?id=126384Issue Tracking · Patch · Third Party Advisory
→
https://security.gentoo.org/glsa/201808-04
→
https://trac.webkit.org/changeset/228088/webkitIssue Tracking · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2018-11713
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedJun 4, 2018

Related CVEs (NVD-CWE-noinfo)

CVE-2008-4873
10.0
CVE-2017-3623
10.0
CVE-2017-6326
10.0
CVE-2024-44148
10.0
CVE-2024-44146
10.0
CVE-2014-2623
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-11713 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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