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43 lines
1.8 KiB
43 lines
1.8 KiB
2 years ago
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<?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="202210-12">
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<title>Lighttpd: Denial of Service</title>
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<synopsis>A vulnerability has been discovered in lighttpd which could result in denial of service.</synopsis>
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<product type="ebuild">lighttpd</product>
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<announced>2022-10-31</announced>
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<revised count="1">2022-10-31</revised>
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<bug>869890</bug>
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<access>remote</access>
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<affected>
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<package name="www-servers/lighttpd" auto="yes" arch="*">
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<unaffected range="ge">1.4.67</unaffected>
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<vulnerable range="lt">1.4.67</vulnerable>
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</package>
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</affected>
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<background>
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<p>Lighttpd is a lightweight high-performance web server.</p>
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</background>
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<description>
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<p>Lighttpd's mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received.</p>
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</description>
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<impact type="low">
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<p>An attacker can trigger a denial of service via making Lighttpd try to call an uninitialized function pointer.</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 lighttpd 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 ">=www-servers/lighttpd-1.4.67"
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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-2022-37797">CVE-2022-37797</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-41556">CVE-2022-41556</uri>
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</references>
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<metadata tag="requester" timestamp="2022-10-31T01:09:14.713606Z">ajak</metadata>
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<metadata tag="submitter" timestamp="2022-10-31T01:09:14.718507Z">ajak</metadata>
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</glsa>
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