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53 lines
1.8 KiB
53 lines
1.8 KiB
<?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="201703-03">
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<title>PuTTY: Buffer overflow </title>
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<synopsis>A buffer overflow in PuTTY might allow remote attackers to execute
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arbitrary code or cause a denial of service.
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</synopsis>
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<product type="ebuild">PuTTY</product>
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<announced>2017-03-19</announced>
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<revised count="1">2017-03-19</revised>
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<bug>610552</bug>
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<access>remote</access>
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<affected>
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<package name="net-misc/putty" auto="yes" arch="*">
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<unaffected range="ge">0.68</unaffected>
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<vulnerable range="lt">0.68</vulnerable>
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</package>
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</affected>
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<background>
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<p>PuTTY is a free implementation of Telnet and SSH for Windows and Unix
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platforms, along with an xterm terminal emulator.
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</p>
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</background>
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<description>
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<p>A heap-corrupting buffer overflow bug in the ssh_agent_channel_data
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function of PuTTY was found.
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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, utilizing the SSH agent forwarding of an SSH server,
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could execute arbitrary code with the privileges of the user running the
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client or 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>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 PuTTY 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/putty-0.68"
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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-2017-6542">CVE-2017-6542</uri>
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</references>
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<metadata tag="requester" timestamp="2017-03-07T21:53:38Z">BlueKnight</metadata>
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<metadata tag="submitter" timestamp="2017-03-19T18:47:02Z">BlueKnight</metadata>
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</glsa>
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