58 lines
1.9 KiB
XML
58 lines
1.9 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="202012-22">
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<title>HAProxy: Arbitrary code execution</title>
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<synopsis>A buffer overflow in HAProxy might allow an attacker to execute
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arbitrary code.
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</synopsis>
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<product type="ebuild">haproxy</product>
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<announced>2020-12-24</announced>
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<revised count="1">2020-12-24</revised>
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<bug>715944</bug>
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<access>remote</access>
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<affected>
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<package name="net-proxy/haproxy" auto="yes" arch="*">
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<unaffected range="ge" slot="0/2.0">2.0.13</unaffected>
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<unaffected range="ge">2.1.4</unaffected>
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<vulnerable range="lt">2.1.4</vulnerable>
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</package>
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</affected>
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<background>
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<p>HAProxy is a TCP/HTTP reverse proxy for high availability environments.</p>
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</background>
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<description>
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<p>It was discovered that HAProxy incorrectly handled certain HTTP/2
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headers.
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</p>
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</description>
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<impact type="normal">
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<p>A remote attacker, by sending a specially crafted HTTP/2 request, could
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possibly execute arbitrary code with the privileges of the process, or
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cause a Denial of Service condition.
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</p>
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</impact>
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<workaround>
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<p>Disable HTTP/2 support.</p>
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</workaround>
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<resolution>
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<p>All HAProxy 2.0.x 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 ">=net-proxy/haproxy-2.0.13:0/2.0"
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</code>
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<p>All other HAProxy 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 ">=net-proxy/haproxy-2.1.4"
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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-2020-11100">CVE-2020-11100</uri>
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</references>
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<metadata tag="requester" timestamp="2020-05-20T16:01:15Z">sam_c</metadata>
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<metadata tag="submitter" timestamp="2020-12-24T14:09:42Z">sam_c</metadata>
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</glsa>
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