52 lines
1.7 KiB
XML
52 lines
1.7 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="202003-62">
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<title>GNU Screen: Buffer overflow</title>
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<synopsis>A buffer overflow in GNU Screen might allow remote attackers to
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corrupt memory.
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</synopsis>
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<product type="ebuild">screen</product>
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<announced>2020-03-30</announced>
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<revised count="1">2020-03-30</revised>
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<bug>708460</bug>
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<access>remote</access>
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<affected>
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<package name="app-misc/screen" auto="yes" arch="*">
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<unaffected range="ge">4.8.0</unaffected>
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<vulnerable range="lt">4.8.0</vulnerable>
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</package>
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</affected>
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<background>
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<p>GNU Screen is a full-screen window manager that multiplexes a physical
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terminal between several processes, typically interactive shells.
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</p>
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</background>
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<description>
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<p>A buffer overflow was found in the way GNU Screen treated the special
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escape OSC 49.
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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 writing a specially crafted string of characters
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to a GNU Screen window, could possibly corrupt memory or have other
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unspecified impact.
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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 GNU Screen 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 ">=app-misc/screen-4.8.0"
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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-2020-9366">CVE-2020-9366</uri>
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</references>
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<metadata tag="requester" timestamp="2020-03-30T05:50:23Z">BlueKnight</metadata>
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<metadata tag="submitter" timestamp="2020-03-30T14:41:12Z">whissi</metadata>
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</glsa>
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