|
|
|
|
<?xml version="1.0" encoding="UTF-8"?>
|
|
|
|
|
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
|
|
|
|
|
<glsa id="202101-04">
|
|
|
|
|
<title>Mozilla Firefox: Remote code execution</title>
|
|
|
|
|
<synopsis>A use-after-free in Mozilla Firefox's SCTP handling may allow
|
|
|
|
|
remote code execution.
|
|
|
|
|
</synopsis>
|
|
|
|
|
<product type="ebuild">firefox,thunderbird</product>
|
|
|
|
|
<announced>2021-01-10</announced>
|
|
|
|
|
<revised count="1">2021-01-10</revised>
|
|
|
|
|
<bug>764161</bug>
|
|
|
|
|
<access>remote</access>
|
|
|
|
|
<affected>
|
|
|
|
|
<package name="www-client/firefox" auto="yes" arch="*">
|
|
|
|
|
<unaffected range="ge" slot="0/esr78">78.6.1</unaffected>
|
|
|
|
|
<unaffected range="ge">84.0.2</unaffected>
|
|
|
|
|
<vulnerable range="lt">84.0.2</vulnerable>
|
|
|
|
|
</package>
|
|
|
|
|
<package name="www-client/firefox-bin" auto="yes" arch="*">
|
|
|
|
|
<unaffected range="ge" slot="0/esr78">78.6.1</unaffected>
|
|
|
|
|
<unaffected range="ge">84.0.2</unaffected>
|
|
|
|
|
<vulnerable range="lt">84.0.2</vulnerable>
|
|
|
|
|
</package>
|
|
|
|
|
</affected>
|
|
|
|
|
<background>
|
|
|
|
|
<p>Mozilla Firefox is a popular open-source web browser from the Mozilla
|
|
|
|
|
project.
|
|
|
|
|
</p>
|
|
|
|
|
</background>
|
|
|
|
|
<description>
|
|
|
|
|
<p>A use-after-free bug was discovered in Mozilla Firefox’s handling of
|
|
|
|
|
SCTP.
|
|
|
|
|
</p>
|
|
|
|
|
</description>
|
|
|
|
|
<impact type="normal">
|
|
|
|
|
<p>A remote attacker could possibly execute arbitrary code with the
|
|
|
|
|
privileges of the process, or cause a Denial of Service condition.
|
|
|
|
|
</p>
|
|
|
|
|
</impact>
|
|
|
|
|
<workaround>
|
|
|
|
|
<p>There is no known workaround at this time.</p>
|
|
|
|
|
</workaround>
|
|
|
|
|
<resolution>
|
|
|
|
|
<p>All Firefox ESR users should upgrade to the latest version:</p>
|
|
|
|
|
|
|
|
|
|
<code>
|
|
|
|
|
# emerge --sync
|
|
|
|
|
# emerge --ask --oneshot --verbose
|
|
|
|
|
">=www-client/firefox-78.6.1:0/esr78"
|
|
|
|
|
</code>
|
|
|
|
|
|
|
|
|
|
<p>All Firefox ESR binary users should upgrade to the latest version:</p>
|
|
|
|
|
|
|
|
|
|
<code>
|
|
|
|
|
# emerge --sync
|
|
|
|
|
# emerge --ask --oneshot --verbose
|
|
|
|
|
">=www-client/firefox-bin-78.6.1:0/esr78"
|
|
|
|
|
</code>
|
|
|
|
|
|
|
|
|
|
<p>All Firefox users should upgrade to the latest version:</p>
|
|
|
|
|
|
|
|
|
|
<code>
|
|
|
|
|
# emerge --sync
|
|
|
|
|
# emerge --ask --oneshot --verbose ">=www-client/firefox-84.0.2"
|
|
|
|
|
</code>
|
|
|
|
|
|
|
|
|
|
<p>All Firefox binary users should upgrade to the latest version:</p>
|
|
|
|
|
|
|
|
|
|
<code>
|
|
|
|
|
# emerge --sync
|
|
|
|
|
# emerge --ask --oneshot --verbose ">=www-client/firefox-bin-84.0.2"
|
|
|
|
|
</code>
|
|
|
|
|
|
|
|
|
|
</resolution>
|
|
|
|
|
<references>
|
|
|
|
|
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-16044">CVE-2020-16044</uri>
|
|
|
|
|
<uri link="https://www.mozilla.org/en-US/security/advisories/mfsa2021-01/">
|
|
|
|
|
MFSA-2021-01
|
|
|
|
|
</uri>
|
|
|
|
|
</references>
|
|
|
|
|
<metadata tag="requester" timestamp="2021-01-09T16:49:31Z">sam_c</metadata>
|
|
|
|
|
<metadata tag="submitter" timestamp="2021-01-10T09:20:31Z">sam_c</metadata>
|
|
|
|
|
</glsa>
|