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authorV3n3RiX <venerix@redcorelinux.org>2019-11-10 13:21:36 +0000
committerV3n3RiX <venerix@redcorelinux.org>2019-11-10 13:21:36 +0000
commit77398e424e45d9e98c1cef3c43bdadb9d56e81ef (patch)
tree5aeffd3fc7b92fc615bd2c222fa8831aeda1925b /metadata/glsa/glsa-201911-01.xml
parentbd4aeefe33e63f613512604e47bfca7b2187697d (diff)
gentoo resync : 10.11.2019
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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="201911-01">
+ <title>OpenSSH: Integer overflow</title>
+ <synopsis>An integer overflow in OpenSSH might allow an attacker to execute
+ arbitrary code.
+ </synopsis>
+ <product type="ebuild">openssh</product>
+ <announced>2019-11-07</announced>
+ <revised count="1">2019-11-07</revised>
+ <bug>697046</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-misc/openssh" auto="yes" arch="*">
+ <unaffected range="ge">8.0_p1-r4</unaffected>
+ <vulnerable range="ge">8.0_p1-r2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>OpenSSH is a complete SSH protocol implementation that includes SFTP
+ client and server support.
+ </p>
+ </background>
+ <description>
+ <p>OpenSSH, when built with “xmss” USE flag enabled, has a
+ pre-authentication integer overflow if a client or server is configured
+ to use a crafted XMSS key.
+ </p>
+
+ <p>NOTE: This USE flag is disabled by default!</p>
+ </description>
+ <impact type="normal">
+ <p>A remote attacker could connect to a vulnerable OpenSSH server using a
+ special crafted XMSS key possibly resulting in execution of arbitrary
+ code with the privileges of the process or a Denial of Service condition.
+ </p>
+ </impact>
+ <workaround>
+ <p>Disable XMSS key type.</p>
+ </workaround>
+ <resolution>
+ <p>All OpenSSH users should upgrade to the latest version:</p>
+
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose
+ "&gt;=net-misc/openssh/openssh-8.0_p1-r4"
+ </code>
+ </resolution>
+ <references>
+ <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-16905">CVE-2019-16905</uri>
+ </references>
+ <metadata tag="requester" timestamp="2019-10-26T14:48:28Z">whissi</metadata>
+ <metadata tag="submitter" timestamp="2019-11-07T19:01:23Z">whissi</metadata>
+</glsa>