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authorRepository mirror & CI <repomirrorci@gentoo.org>2021-05-26 17:50:03 +0000
committerRepository mirror & CI <repomirrorci@gentoo.org>2021-05-26 17:50:03 +0000
commit06fe0fb8f137db4d0185bbc86dc5cabcdce36101 (patch)
treede7c131a60a1618871e231faecb1016de445c954 /metadata/glsa
parentMerge updates from master (diff)
parent[ GLSA 202105-38 ] nginx: Remote code execution (diff)
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Merge commit '29b28f325e4069cfaddd54985af2e51a0ec1d226'
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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="202105-38">
+ <title>nginx: Remote code execution</title>
+ <synopsis>A vulnerability in nginx could lead to remote code execution.</synopsis>
+ <product type="ebuild">nginx</product>
+ <announced>2021-05-26</announced>
+ <revised count="1">2021-05-26</revised>
+ <bug>792087</bug>
+ <access>remote</access>
+ <affected>
+ <package name="www-servers/nginx" auto="yes" arch="*">
+ <unaffected range="ge" slot="0">1.20.1</unaffected>
+ <unaffected range="ge" slot="mainline">1.21.0</unaffected>
+ <vulnerable range="lt">1.21.0</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>nginx is a robust, small, and high performance HTTP and reverse proxy
+ server.
+ </p>
+ </background>
+ <description>
+ <p>It was discovered that nginx did not properly handle DNS responses when
+ “resolver” directive is used.
+ </p>
+ </description>
+ <impact type="high">
+ <p>A remote attacker, able to provide DNS responses to a nginx instance,
+ could cause the execution of arbitrary code with the privileges of the
+ process or a Denial of Service condition.
+ </p>
+ </impact>
+ <workaround>
+ <p>There is no known workaround at this time.</p>
+ </workaround>
+ <resolution>
+ <p>All nginx users should upgrade to the latest version:</p>
+
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=www-servers/nginx-1.20.1"
+ </code>
+
+ <p>All nginx mainline users should upgrade to the latest version:</p>
+
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose
+ "&gt;=www-servers/nginx-1.21.0:mainline"
+ </code>
+
+ </resolution>
+ <references>
+ <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-23017">CVE-2021-23017</uri>
+ </references>
+ <metadata tag="requester" timestamp="2021-05-26T17:05:23Z">whissi</metadata>
+ <metadata tag="submitter" timestamp="2021-05-26T17:40:33Z">whissi</metadata>
+</glsa>