50 lines
1.7 KiB
XML
50 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="201801-05">
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<title>OpenSSH: Permission issue</title>
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<synopsis>A flaw has been discovered in OpenSSH which could allow a remote
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attacker to create zero-length files.
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</synopsis>
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<product type="ebuild">OpenSSH</product>
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<announced>2018-01-07</announced>
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<revised count="1">2018-01-07</revised>
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<bug>633428</bug>
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<access>remote</access>
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<affected>
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<package name="net-misc/openssh" auto="yes" arch="*">
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<unaffected range="ge">7.5_p1-r3</unaffected>
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<vulnerable range="lt">7.5_p1-r3</vulnerable>
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</package>
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</affected>
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<background>
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<p>OpenSSH is a complete SSH protocol implementation that includes SFTP
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client and server support.
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</p>
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</background>
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<description>
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<p>The process_open function in sftp-server.c in OpenSSH did not properly
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prevent write operations in readonly mode.
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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 could cause the creation of zero-length files.</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 OpenSSH 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-misc/openssh-7.5_p1-r3"
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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/nvd.cfm?cvename=CVE-2017-15906">
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CVE-2017-15906
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</uri>
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</references>
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<metadata tag="requester" timestamp="2018-01-05T05:55:47Z">jmbailey</metadata>
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<metadata tag="submitter" timestamp="2018-01-07T23:36:33Z">jmbailey</metadata>
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</glsa>
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