44 lines
1.5 KiB
XML
44 lines
1.5 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="202201-01">
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<title>Polkit: Local privilege escalation</title>
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<synopsis>A vulnerability in polkit could lead to local root privilege escalation.
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</synopsis>
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<product type="ebuild">polkit</product>
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<announced>2022-01-27</announced>
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<revised count="1">2022-01-27</revised>
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<bug>832057</bug>
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<access>local</access>
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<affected>
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<package name="sys-auth/polkit" auto="yes" arch="*">
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<unaffected range="ge">0.120-r2</unaffected>
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<vulnerable range="lt">0.120-r2</vulnerable>
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</package>
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</affected>
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<background>
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<p>polkit is a toolkit for managing policies related to unprivileged processes communicating with privileged process. </p>
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</background>
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<description>
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<p>Flawed input validation of arguments was discovered in the 'pkexec' program's main() function.</p>
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</description>
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<impact type="high">
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<p>A local attacker could achieve root privilege escalation.</p>
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</impact>
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<workaround>
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<p>Run the following command as root:
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# chmod 0755 /usr/bin/pkexec</p>
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</workaround>
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<resolution>
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<p>Upgrade Polkit to a patched version.</p>
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<code>
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# emerge --sync
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# emerge --ask --verbose ">=sys-auth/polkit-0.120-r2"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-4034">CVE-2021-4034</uri>
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</references>
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<metadata tag="requester" timestamp="2022-01-27T04:56:33.847737Z">sam</metadata>
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<metadata tag="submitter" timestamp="2022-01-27T04:56:33.851433Z">sam</metadata>
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</glsa>
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