You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
<?xml version="1.0" encoding="UTF-8"?>
|
|
|
|
|
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
|
|
|
|
|
<glsa id="202105-19">
|
|
|
|
|
<title>Firejail: Privilege escalation</title>
|
|
|
|
|
<synopsis>A vulnerability was discovered in Firejail which may allow local
|
|
|
|
|
attackers to gain root privileges.
|
|
|
|
|
</synopsis>
|
|
|
|
|
<product type="ebuild">firejail</product>
|
|
|
|
|
<announced>2021-05-26</announced>
|
|
|
|
|
<revised count="1">2021-05-26</revised>
|
|
|
|
|
<bug>769542</bug>
|
|
|
|
|
<access>local</access>
|
|
|
|
|
<affected>
|
|
|
|
|
<package name="sys-apps/firejail" auto="yes" arch="*">
|
|
|
|
|
<unaffected range="ge">0.9.64.4</unaffected>
|
|
|
|
|
<vulnerable range="lt">0.9.64.4</vulnerable>
|
|
|
|
|
</package>
|
|
|
|
|
</affected>
|
|
|
|
|
<background>
|
|
|
|
|
<p>A SUID program that reduces the risk of security breaches by restricting
|
|
|
|
|
the running environment of untrusted applications using Linux namespaces
|
|
|
|
|
and seccomp-bpf.
|
|
|
|
|
</p>
|
|
|
|
|
</background>
|
|
|
|
|
<description>
|
|
|
|
|
<p>It was discovered that a flaw in Firejail’s OverlayFS code allowed
|
|
|
|
|
restricted programs to escape sandbox.
|
|
|
|
|
</p>
|
|
|
|
|
</description>
|
|
|
|
|
<impact type="high">
|
|
|
|
|
<p>A local attacker could obtain arbitrary file system access via an
|
|
|
|
|
application running within a Firejail sandbox, possibly resulting in
|
|
|
|
|
privilege escalation.
|
|
|
|
|
</p>
|
|
|
|
|
</impact>
|
|
|
|
|
<workaround>
|
|
|
|
|
<p>There is no known workaround at this time.</p>
|
|
|
|
|
</workaround>
|
|
|
|
|
<resolution>
|
|
|
|
|
<p>All Firejail users should upgrade to the latest version:</p>
|
|
|
|
|
|
|
|
|
|
<code>
|
|
|
|
|
# emerge --sync
|
|
|
|
|
# emerge --ask --oneshot --verbose ">=sys-apps/firejail-0.9.64.4"
|
|
|
|
|
</code>
|
|
|
|
|
|
|
|
|
|
</resolution>
|
|
|
|
|
<references>
|
|
|
|
|
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-26910">CVE-2021-26910</uri>
|
|
|
|
|
</references>
|
|
|
|
|
<metadata tag="requester" timestamp="2021-05-25T20:22:19Z">whissi</metadata>
|
|
|
|
|
<metadata tag="submitter" timestamp="2021-05-26T08:38:46Z">whissi</metadata>
|
|
|
|
|
</glsa>
|