CVE-2018-6176: Local user privilege escalation in Extensions
First published: Fri Nov 18 2016(Updated: )
A local user privilege escalation flaw was found in the Extensions component of the Chromium browser. Upstream bug(s): <a href="https://code.google.com/p/chromium/issues/detail?id=666824">https://code.google.com/p/chromium/issues/detail?id=666824</a> External References: <a href="https://chromereleases.googleblog.com/2018/07/stable-channel-update-for-desktop.html">https://chromereleases.googleblog.com/2018/07/stable-channel-update-for-desktop.html</a>
Credit: Jann Horn Google Project Zero cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| <68.0.3440.75 | 68.0.3440.75 | |
| Google Chrome | <68.0.3440.75 | |
| redhat/chromium-browser | <68.0.3440.75 | 68.0.3440.75 |
| debian/chromium-browser |
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Reference Links
- https://chromereleases.googleblog.com/2018/07/stable-channel-update-for-desktop.html (Advisory)
- https://crbug.com/666824
- https://code.google.com/p/chromium/issues/detail?id=666824
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1608211
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1608210
- https://access.redhat.com/errata/RHSA-2018:2282
- https://bugzilla.redhat.com/show_bug.cgi?id=1608200
- https://security-tracker.debian.org/tracker/CVE-2018-6176
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2018-6153
- CVE-2018-6154
- CVE-2018-6155
- CVE-2018-6156
- CVE-2018-6157
- CVE-2018-6158
- CVE-2018-6159
- CVE-2018-6160
- CVE-2018-6161
- CVE-2018-6162
- CVE-2018-6163
- CVE-2018-6164
- CVE-2018-6165
- CVE-2018-6166
- CVE-2018-6167
- CVE-2018-6168
- CVE-2018-6169
- CVE-2018-6170
- CVE-2018-6171
- CVE-2018-6172
- CVE-2018-6173
- CVE-2018-6174
- CVE-2018-6175
- CVE-2018-6177
- CVE-2018-6178
- CVE-2018-6179
- CVE-2018-6044
- CVE-2018-4117
- CVE-2018-17460
- CVE-2018-17461
- CVE-2018-6150
- CVE-2018-6151
- CVE-2018-6152
Frequently Asked Questions
What is CVE-2018-6176?
CVE-2018-6176 is a vulnerability that allows a remote attacker to perform privilege escalation via a crafted Chrome Extension in Google Chrome versions prior to 68.0.3440.75.
Which software is affected by CVE-2018-6176?
Google Chrome versions prior to 68.0.3440.75 and Chromium Browser are affected by CVE-2018-6176.
How can a remote attacker exploit CVE-2018-6176?
A remote attacker who has compromised the renderer process can exploit CVE-2018-6176 by using a crafted Chrome Extension to perform privilege escalation.
What is the severity of CVE-2018-6176?
CVE-2018-6176 has a severity rating of 7.8 (high).
How can I fix CVE-2018-6176?
To fix CVE-2018-6176, update your Google Chrome or Chromium Browser to version 68.0.3440.75 or later.
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