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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202305-12">
<title>sudo: Root Privilege Escalation</title>
<synopsis>A vulnerability has been discovered in sudo which could result in root privilege escalation.</synopsis>
<product type="ebuild">sudo</product>
<announced>2023-05-03</announced>
<revised count="1">2023-05-03</revised>
<bug>891335</bug>
<access>remote</access>
<affected>
<package name="app-admin/sudo" auto="yes" arch="*">
<unaffected range="ge">1.9.12_p2</unaffected>
<vulnerable range="lt">1.9.12_p2</vulnerable>
</package>
</affected>
<background>
<p>sudo allows a system administrator to give users the ability to run commands as other users.</p>
</background>
<description>
<p>The sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided environment variables (SUDO_EDITOR, VISUAL, and EDITOR), allowing a local attacker to append arbitrary entries to the list of files to process.</p>
</description>
<impact type="high">
<p>The improper processing of user's environment variables could lead to the editing of arbitrary files as root, potentially leading to root privilege escalation.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All sudo users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/sudo-1.9.12_p2"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2023-22809">CVE-2023-22809</uri>
</references>
<metadata tag="requester" timestamp="2023-05-03T09:53:34.200622Z">ajak</metadata>
<metadata tag="submitter" timestamp="2023-05-03T09:53:34.205155Z">sam</metadata>
</glsa>
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