GLSA 201909-08: D-Bus: Authentication bypass
| Severity: | normal |
| Title: | D-Bus: Authentication bypass |
| Date: | 09/08/2019 |
| Bugs: | |
| ID: | 201909-08 |
Synopsis
An authentication bypass was discovered in D-Bus.Background
D-Bus is a message bus system which processes can use to talk to each other.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| sys-apps/dbus | < 1.12.16 | >= 1.12.16 | All supported architectures |
Description
It was discovered that a local attacker could manipulate symbolic links in their own home directory to bypass authentication and connect to a DBusServer with elevated privileges.
Impact
A local attacker can bypass authentication mechanisms and elevate privileges.
Workaround
There is no known workaround at this time.
Resolution
All D-Bus users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.12.16"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.