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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202305-19">
<title>Firejail: Local Privilege Escalation</title>
<synopsis>A vulnerability has been discovered in Firejail which could result in local root privilege escalation.</synopsis>
<product type="ebuild">firejail,firejail-lts</product>
<announced>2023-05-03</announced>
<revised count="1">2023-05-03</revised>
<bug>850748</bug>
<access>remote</access>
<affected>
<package name="sys-apps/firejail" auto="yes" arch="*">
<unaffected range="ge">0.9.70</unaffected>
<vulnerable range="lt">0.9.70</vulnerable>
</package>
<package name="sys-apps/firejail-lts" auto="yes" arch="*">
<vulnerable range="None">None</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>Firejail does not sufficiently validate the user's environment prior to using it as the root user when using the --join command line option.</p>
</description>
<impact type="normal">
<p>An unprivileged user can exploit this vulnerability to achieve local root privileges.</p>
</impact>
<workaround>
<p>System administrators can mitigate this vulnerability via adding either "force-nonewprivs yes" or "join no" to the Firejail configuration file in /etc/firejail/firejail.config.</p>
</workaround>
<resolution>
<p>Gentoo has discontinued support for sys-apps/firejail-lts. Users should unmerge it in favor of sys-apps/firejail:</p>
<code>
# emerge --ask --depclean --verbose "sys-apps/firejail-lts"
# emerge --ask --verbose "sys-apps/firejail"
</code>
<p>All Firejail users should upgrade to the latest version:</p>
<code>
# emerge --ask --oneshot --verbose ">=sys-apps/firejail-0.9.70"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-31214">CVE-2022-31214</uri>
</references>
<metadata tag="requester" timestamp="2023-05-03T10:04:36.994181Z">ajak</metadata>
<metadata tag="submitter" timestamp="2023-05-03T10:04:36.999752Z">sam</metadata>
</glsa>
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