GLSA 200901-04: D-Bus: Denial of Service
| Severity: | normal |
| Title: | D-Bus: Denial of Service |
| Date: | 01/11/2009 |
| Bugs: | |
| ID: | 200901-04 |
Synopsis
An error condition can cause D-Bus to crash.Background
D-Bus is a daemon providing a framework for applications to communicate with one another.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| sys-apps/dbus | < 1.2.3-r1 | >= 1.2.3-r1 | All supported architectures |
Description
schelte reported that the dbus_signature_validate() function can trigger a failed assertion when processing a message containing a malformed signature.
Impact
A local user could send a specially crafted message to the D-Bus daemon, leading to a Denial of Service.
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-1.2.3-r1"
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.