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54 lines
1.8 KiB
54 lines
1.8 KiB
3 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="202105-16">
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<title>X.Org X11 library: Denial of service</title>
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<synopsis>A vulnerability in X.Org X11 library could lead to a Denial of
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Service condition.
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</synopsis>
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<product type="ebuild">libx11</product>
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<announced>2021-05-26</announced>
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<revised count="1">2021-05-26</revised>
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<bug>790824</bug>
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<access>remote</access>
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<affected>
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<package name="x11-libs/libX11" auto="yes" arch="*">
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<unaffected range="ge">1.7.1</unaffected>
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<vulnerable range="lt">1.7.1</vulnerable>
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</package>
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</affected>
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<background>
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<p>X.Org is an implementation of the X Window System. The X.Org X11 library
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provides the X11 protocol library files.
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</p>
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</background>
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<description>
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<p>It was discovered that XLookupColor() and other X.Org X11 library
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functions lacked proper validation of the length of their string
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parameters.
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</p>
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</description>
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<impact type="low">
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<p>An attacker could emit arbitrary X protocol requests to the X server
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through malicious crafted string parameters in applications linked
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against X.Org X11 library.
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</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 X.Org X11 library 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 ">=x11-libs/libX11-1.7.1"
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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-2021-31535">CVE-2021-31535</uri>
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</references>
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<metadata tag="requester" timestamp="2021-05-24T15:55:58Z">whissi</metadata>
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<metadata tag="submitter" timestamp="2021-05-26T08:37:54Z">whissi</metadata>
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</glsa>
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