<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="202107-50"> <title>Singularity: Remote code execution</title> <synopsis>A vulnerability in Singularity could result in remote code execution. </synopsis> <product type="ebuild">singularity</product> <announced>2021-07-22</announced> <revised count="1">2021-07-22</revised> <bug>792465</bug> <access>remote</access> <affected> <package name="sys-cluster/singularity" auto="yes" arch="*"> <unaffected range="ge">3.7.4</unaffected> <vulnerable range="lt">3.7.4</vulnerable> </package> </affected> <background> <p>Singularity is the container platform for performance sensitive workloads. </p> </background> <description> <p>Singularity always uses the default remote endpoint, ‘cloud.syslabs.io’, for action commands using the ‘library://’ URI rather than the configured remote endpoint. </p> </description> <impact type="high"> <p>An attacker that that can push a malicious container to the default remote endpoint could execute code on hosts that fetch the container. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All Singularity users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=sys-cluster/singularity-3.7.4" </code> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-32635">CVE-2021-32635</uri> </references> <metadata tag="requester" timestamp="2021-07-19T02:57:15Z">ajak</metadata> <metadata tag="submitter" timestamp="2021-07-22T04:54:09Z">ajak</metadata> </glsa>