CVE-2018-6156: Heap buffer overflow in WebRTC
First published: Thu May 10 2018(Updated: )
A heap buffer overflow flaw was found in the WebRTC component of the Chromium browser. Upstream bug(s): <a href="https://code.google.com/p/chromium/issues/detail?id=841962">https://code.google.com/p/chromium/issues/detail?id=841962</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: Natalie Silvanovich Google Project Zero chrome-cve-admin@google.com cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome | <68.0.3440.75 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| redhat/chromium-browser | <68.0.3440.75 | 68.0.3440.75 |
| Google Chrome | <68.0.3440.75 | 68.0.3440.75 |
| Mozilla Firefox | <70 | 70 |
| ubuntu/chromium-browser | <68.0.3440.75-0ubuntu0.18.04.1 | 68.0.3440.75-0ubuntu0.18.04.1 |
| ubuntu/chromium-browser | <68.0.3440.75-0ubuntu1 | 68.0.3440.75-0ubuntu1 |
| ubuntu/chromium-browser | <68.0.3440.75 | 68.0.3440.75 |
| ubuntu/chromium-browser | <68.0.3440.75-0ubuntu0.16.04.1 | 68.0.3440.75-0ubuntu0.16.04.1 |
| ubuntu/firefox | <70.0+ | 70.0+ |
| ubuntu/firefox | <70.0+ | 70.0+ |
| ubuntu/firefox | <70.0+ | 70.0+ |
| ubuntu/firefox | <70.0 | 70.0 |
| ubuntu/firefox | <70.0+ | 70.0+ |
| debian/firefox | 125.0.3-1 |
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Reference Links
- https://chromereleases.googleblog.com/2018/07/stable-channel-update-for-desktop.html (Advisory)
- https://crbug.com/841962
- https://usn.ubuntu.com/4165-1/
- https://launchpad.net/bugs/cve/CVE-2018-6156
- https://code.google.com/p/chromium/issues/detail?id=841962
- 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=1608180
- https://bugzilla.mozilla.org/show_bug.cgi?id=1480088
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-34/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-34/#CVE-2019-17002
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-34/#CVE-2018-6156
- https://security-tracker.debian.org/tracker/CVE-2018-6156
- https://ubuntu.com/security/notices/USN-4165-1
- https://www.cve.org/CVERecord?id=CVE-2018-6156
- https://nvd.nist.gov/vuln/detail/CVE-2018-6156
- https://ubuntu.com/security/CVE-2018-6156
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2018-6153
- CVE-2018-6154
- CVE-2018-6155
- 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-2018-6176
- 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
- CVE-2018-6156
- CVE-2019-15903
- CVE-2019-11757
- CVE-2019-25136
- CVE-2020-12412
- CVE-2019-11759
- CVE-2019-11760
- CVE-2019-11761
- CVE-2019-11762
- CVE-2019-11763
- CVE-2019-11765
- CVE-2019-17000
- CVE-2019-17001
- CVE-2019-17002
- CVE-2019-11764
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2018-6156.
What is the affected software?
The affected software is Mozilla Firefox version up to but excluding 70.
What is the severity of CVE-2018-6156?
The severity of CVE-2018-6156 is high.
How was the vulnerability exploited?
The vulnerability was exploited through incorrect derivation of a packet length in WebRTC via a crafted video file.
Is there a fix available?
Mozilla has released a fix for CVE-2018-6156 in Mozilla Firefox version 70.
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