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43 lines
1.8 KiB
43 lines
1.8 KiB
<?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="202208-11">
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<title>Yubico pam-u2f: Local PIN Bypass vulnerability</title>
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<synopsis>A vulnerability has been discovered in pam-u2f which could allow a local attacker to bypass PIN entry.</synopsis>
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<product type="ebuild">pam_u2f</product>
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<announced>2022-08-10</announced>
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<revised count="1">2022-08-10</revised>
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<bug>792270</bug>
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<access>local</access>
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<affected>
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<package name="sys-auth/pam_u2f" auto="yes" arch="*">
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<unaffected range="ge">1.1.1</unaffected>
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<vulnerable range="lt">1.1.1</vulnerable>
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</package>
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</affected>
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<background>
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<p>Yubico pam-u2f is a PAM module for FIDO2 and U2F keys.</p>
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</background>
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<description>
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<p>A logic issue in Yubico pam-u2f could result in the bypass of a PIN entry requirement when authenticating with FIDO2.</p>
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</description>
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<impact type="low">
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<p>An attacker with local access to certain applications using pam-u2f for authentication could incorrectly successfully authenticate without entering the authentication PIN.</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All Yubico pam-u2f users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=sys-auth/pam_u2f-1.1.1"
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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-2021-31924">CVE-2021-31924</uri>
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<uri>YSA-2021-03</uri>
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</references>
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<metadata tag="requester" timestamp="2022-08-10T04:07:59.824838Z">ajak</metadata>
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<metadata tag="submitter" timestamp="2022-08-10T04:07:59.828973Z">ajak</metadata>
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</glsa> |