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Improper Resource Shutdown or Release Affecting dbus package, versions <1.6.18-0ubuntu4.5+esm2

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
5.5 medium
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SUSE
5.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-UBUNTU1404-DBUS-572469
  • published 3 Jun 2020
  • disclosed 8 Jun 2020
Report a new vulnerability Found a mistake?

Introduced: 3 Jun 2020

CVE-2020-12049 Open this link in a new tab
CWE-404 Open this link in a new tab

How to fix?

Upgrade Ubuntu:14.04 dbus to version 1.6.18-0ubuntu4.5+esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dbus package and not the dbus package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

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.