A double-eviction in the Incognito mode cache that lead to a user-after-free in cache in Google Chrome prior to 66.0.3359.139 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page.

Update to 66.0.3359.181. Security fix for CVE-2018-6085 CVE-2018-6086 CVE-2018-6087 CVE-2018-6088 CVE-2018-6089 CVE-2018-6090 CVE-2018-6091 CVE-2018-6092 CVE-2018-6093 CVE-2018-6094 CVE-2018-6095 CVE-2018-6096 CVE-2018-6097 CVE-2018-6098 CVE-2018-6099 CVE-2018-6100 CVE-2018-6101 CVE-2018-6102 CVE-2018-6103 CVE-2018-6104 CVE-2018-6105 CVE-2018-6106 CVE-2018-6107 CVE-2018-6108 CVE-2018-6109 CVE-2018-6110 CVE-2018-6111 CVE-2018-6112 CVE-2018-6113 CVE-2018-6114 CVE-2018-6116 CVE-2018-6117 CVE-2018-6118 CVE-2018-6121 CVE-2018-6122 CVE-2018-6120

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities have been discovered in the chromium web browser.

  - CVE-2018-6118     Ned Williamson discovered a use-after-free issue.

  - CVE-2018-6120     Zhou Aiting discovered a buffer overflow issue in the     pdfium library.

  - CVE-2018-6121     It was discovered that malicious extensions could     escalate privileges.

  - CVE-2018-6122     A type confusion issue was discovered in the v8     JavaScript library.

  - CVE-2018-6123     Looben Yang discovered a use-after-free issue.

  - CVE-2018-6124     Guang Gong discovered a type confusion issue.

  - CVE-2018-6125     Yubico discovered that the WebUSB implementation was too     permissive.

  - CVE-2018-6126     Ivan Fratric discovered a buffer overflow issue in the     skia library.

  - CVE-2018-6127     Looben Yang discovered a use-after-free issue.

  - CVE-2018-6129     Natalie Silvanovich discovered an out-of-bounds read     issue in WebRTC.

  - CVE-2018-6130     Natalie Silvanovich discovered an out-of-bounds read     issue in WebRTC.

  - CVE-2018-6131     Natalie Silvanovich discovered an error in WebAssembly.

  - CVE-2018-6132     Ronald E. Crane discovered an uninitialized memory     issue.

  - CVE-2018-6133     Khalil Zhani discovered a URL spoofing issue.

  - CVE-2018-6134     Jun Kokatsu discovered a way to bypass the Referrer     Policy.

  - CVE-2018-6135     Jasper Rebane discovered a user interface spoofing     issue.

  - CVE-2018-6136     Peter Wong discovered an out-of-bounds read issue in the     v8 JavaScript library.

  - CVE-2018-6137     Michael Smith discovered an information leak.

  - CVE-2018-6138     Francois Lajeunesse-Robert discovered that the     extensions policy was too permissive.

  - CVE-2018-6139     Rob Wu discovered a way to bypass restrictions in the     debugger extension.

  - CVE-2018-6140     Rob Wu discovered a way to bypass restrictions in the     debugger extension.

  - CVE-2018-6141     Yangkang discovered a buffer overflow issue in the skia     library.

  - CVE-2018-6142     Choongwoo Han discovered an out-of-bounds read in the v8     JavaScript library.

  - CVE-2018-6143     Guang Gong discovered an out-of-bounds read in the v8     JavaScript library.

  - CVE-2018-6144     pdknsk discovered an out-of-bounds read in the pdfium     library.

  - CVE-2018-6145     Masato Kinugawa discovered an error in the MathML     implementation.

  - CVE-2018-6147     Michail Pishchagin discovered an error in password entry     fields.

  - CVE-2018-6148     Michal Bentkowski discovered that the Content Security     Policy header was handled incorrectly.

  - CVE-2018-6149     Yu Zhou and Jundong Xie discovered an out-of-bounds     write issue in the v8 JavaScript library.

The remote Redhat Enterprise Linux 6 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2018:1321 advisory.

    Chromium is an open-source web browser, powered by WebKit (Blink).

    This update upgrades Chromium to version 66.0.3359.139.

    Security Fix(es):

    * chromium-browser: Use after free in Media Cache (CVE-2018-6118)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote host is affected by the vulnerability described in GLSA-201805-03 (Chromium, Google Chrome: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Chromium and Google       Chrome. Please review the referenced CVE identifiers and Google Chrome       Releases for details.
  Impact :

    A remote attacker could possibly execute arbitrary code with the       privileges of the process.
  Workaround :

    There is no known workaround at this time.

Google Chrome Releases reports :

3 security fixes in this release :

- [831963] Critical CVE-2018-6118: Use after free in Media Cache.
Reported by Ned Williamson on 2018-04-12

- [837635] Various fixes from internal audits, fuzzing and other initiatives

This update for Chromium to version 66.0.3359.139 addresses the following issues :

  - CVE-2018-6118: Use after free in Media Cache     (boo#1091288)

ID	Name	Product	Family	Severity
120630	Fedora 28 : chromium (2018-94e1bc8c23)	Nessus	Fedora Local Security Checks	high
110820	Debian DSA-4237-1 : chromium-browser - security update	Nessus	Debian Local Security Checks	critical
110327	Fedora 27 : chromium (2018-812b5d5a71)	Nessus	Fedora Local Security Checks	high
109570	RHEL 6 : chromium-browser (RHSA-2018:1321)	Nessus	Red Hat Local Security Checks	high
109535	GLSA-201805-03 : Chromium, Google Chrome: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
109437	FreeBSD : chromium -- vulnerability (006bee4e-4c49-11e8-9c32-54ee754af08e)	Nessus	FreeBSD Local Security Checks	high
109425	openSUSE Security Update : Chromium (openSUSE-2018-406)	Nessus	SuSE Local Security Checks	high

Detections

Analytics

CVE-2018-6118

high

Tenable Plugins

high

critical

high

high

high

high

high