<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201801-20"> <title>Fossil: User-assisted execution of arbitrary code</title> <synopsis>A vulnerability has been discovered in Fossil allowing for user-assisted remote execution of arbitrary code. </synopsis> <product type="ebuild">fossil</product> <announced>2018-01-27</announced> <revised count="1">2018-01-27</revised> <bug>640208</bug> <access>remote</access> <affected> <package name="dev-vcs/fossil" auto="yes" arch="*"> <unaffected range="ge">2.4</unaffected> <vulnerable range="lt">2.4</vulnerable> </package> </affected> <background> <p>Fossil is a simple, high-reliability, distributed software configuration management system. </p> </background> <description> <p>Fossil does not properly validate SSH sync protocol URLs.</p> </description> <impact type="normal"> <p>A remote attacker, by enticing a user to open a specially crafted URL, could possibly execute arbitrary commands with the privileges of the user running the application. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All Fossil users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-vcs/fossil-2.4" </code> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-17459">CVE-2017-17459</uri> </references> <metadata tag="requester" timestamp="2018-01-22T21:39:18Z">b-man</metadata> <metadata tag="submitter" timestamp="2018-01-27T17:00:59Z">b-man</metadata> </glsa>