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.

Link	Resource
http://www.openwall.com/lists/oss-security/2020/06/04/3	Mailing List Patch
https://gitlab.freedesktop.org/dbus/dbus/-/issues/294	Exploit Third Party Advisory
https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30	Third Party Advisory
https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18	Third Party Advisory
https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16	Third Party Advisory
https://usn.ubuntu.com/4398-1/	Third Party Advisory
https://usn.ubuntu.com/4398-2/	Third Party Advisory
https://security.gentoo.org/glsa/202007-46	Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak	Exploit Third Party Advisory

Configuration 1

cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:* cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:*:*:*:*

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Published : 2020-06-08 05:15

Updated : 2021-03-04 09:17

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NVD link : CVE-2020-12049

Mitre link : CVE-2020-12049

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CWE-404