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CVE-2020-12049

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2020-3525-01
Posted Aug 20, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3525-01 - Quay 3.3.1 release has been released. An issue where build triggers can disclose robot account names and existence of private repos within namespaces has been addressed.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-11080, CVE-2020-12049, CVE-2020-13777, CVE-2020-14313
MD5 | 7f18a183551d1429182ce5854f336bdc
Red Hat Security Advisory 2020-3184-01
Posted Aug 5, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3184-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-12049, CVE-2020-8558
MD5 | cfdbbaa4cd0effc577cc6fc15c6a88e5
Red Hat Security Advisory 2020-3298-01
Posted Aug 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3298-01 - D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-12049
MD5 | 1f9903312f31065b4efe8a3d1621d7e8
Gentoo Linux Security Advisory 202007-46
Posted Jul 27, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202007-46 - A local Denial of Service vulnerability was discovered in D-Bus. Versions less than 1.12.18 are affected.

tags | advisory, denial of service, local
systems | linux, gentoo
advisories | CVE-2020-12049
MD5 | e1ecd57c0e4522a6c83bbe898722d65f
Red Hat Security Advisory 2020-3087-01
Posted Jul 22, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3087-01 - Red Hat OpenShift Jaeger is Red Hat's distribution of the Jaeger project, tailored for installation into an on-premise OpenShift Container Platform installation.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-12049, CVE-2020-14040
MD5 | f396d521cc1c781042429bec54224afa
Red Hat Security Advisory 2020-3044-01
Posted Jul 21, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3044-01 - D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-12049
MD5 | 0433c8c13994c24082aaa2b0f2266d74
Red Hat Security Advisory 2020-3014-01
Posted Jul 21, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3014-01 - D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-12049
MD5 | 32a7d0758b63abef2fef5123d1a65ad0
Red Hat Security Advisory 2020-2894-01
Posted Jul 13, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2894-01 - D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-12049
MD5 | 8c00a5124978fb667adaec37cf975735
Ubuntu Security Notice USN-4398-2
Posted Jun 17, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4398-2 - USN-4398-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Kevin Backhouse discovered that DBus incorrectly handled file descriptors. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2020-12049
MD5 | b79c5bba9ef0577e9f937bfded9fe33b
Ubuntu Security Notice USN-4398-1
Posted Jun 16, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4398-1 - Kevin Backhouse discovered that DBus incorrectly handled file descriptors. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2020-12049
MD5 | 50b7c9b6dbf13f5c1ef112217cec9aa5
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