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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201808-03">
<title>NetworkManager VPNC plugin: Privilege escalation</title>
<synopsis>A vulnerability in NetworkManager VPNC plugin allows local users to
escalate privileges.
</synopsis>
<product type="ebuild">networkmanager-vpnc</product>
<announced>2018-08-22</announced>
<revised count="1">2018-08-22</revised>
<bug>661712</bug>
<access>local</access>
<affected>
<package name="net-misc/networkmanager-vpnc" auto="yes" arch="*">
<unaffected range="ge">1.2.6</unaffected>
<vulnerable range="lt">1.2.6</vulnerable>
</package>
</affected>
<background>
<p>NetworkManager is an universal network configuration daemon for laptops,
desktops, servers and virtualization hosts.
</p>
<p>The VPNC plugin provides easy access Cisco Concentrator based VPNs
utilizing NetworkManager.
</p>
</background>
<description>
<p>When initiating a VPNC connection, NetworkManager spawns a new vpnc
process and passes the configuration via STDIN. By injecting a special
character into a configuration parameter, an attacker can coerce
NetworkManager to set the Password helper option to an attacker
controlled executable file.
</p>
</description>
<impact type="normal">
<p>A local attacker is able to escalate privileges via a specially crafted
configuration file.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All NetworkManager VPNC plugin users should upgrade to the latest
version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose
"&gt;=net-misc/networkmanager-vpnc-1.2.6"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-10900">CVE-2018-10900</uri>
</references>
<metadata tag="requester" timestamp="2018-07-30T00:25:20Z">irishluck83</metadata>
<metadata tag="submitter" timestamp="2018-08-22T21:14:54Z">irishluck83</metadata>
</glsa>