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CVE details

CVE-2017-7471

Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.

Score
9.0 critical
Published
2018-07-09
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
emulators/qemu-cheriqemu-cheri0.d20260108unaddressedbrooks@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>qemu-cheri</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Quick Emulator (Qemu) built with the VirtFS, host directory sharing
	via Plan 9 File System (9pfs) support, is vulnerable to an improper
	access control issue. It could occur while accessing files on a shared
	host directory. A privileged user inside guest could use this flaw to
	access host file system beyond the shared folder and potentially
	escalating their privileges on a host.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2017-7471</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2017-7471</url>
    </references>
    <dates>
      <discovery>2018-07-09</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>