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CVE details

CVE-2020-12049

An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients.

Score
5.5 medium
Published
2020-06-08
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
devel/linux-c7-dbus-libslinux-c7-dbus-libs1.10.24_4unaddressedemulation@FreeBSD.org

VuXML

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>linux-c7-dbus-libs</name>
	<range><lt>1.12.18</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>An issue was discovered in dbus >= 1.3.0 before 1.12.18. The
	DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors
	when a message exceeds the per-message file descriptor limit. A local
	attacker with access to the D-Bus system bus or another system
	service's private AF_UNIX socket could use this to make the system
	service reach its file descriptor limit, denying service to subsequent
	D-Bus clients.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2020-12049</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2020-12049</url>
    </references>
    <dates>
      <discovery>2020-06-08</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>